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Finding the Fourth Proportional to 17,593,478.20, 26,390,217.30 and 17,593,478.20

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Solution

The fourth proportional to 17,593,478.20, 26,390,217.30 and 17,593,478.20 is: 26,390,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,593,478.20 : 26,390,217.30 = 17,593,478.20 : x
  2. Step 2: Convert to fraction form
    17,593,478.20/26,390,217.30 = 17,593,478.20/x
  3. Step 3: Cross multiply
    17,593,478.20x = 26,390,217.30 × 17,593,478.20
  4. Step 4: Simplify right side
    17,593,478.20x = 464,295,712,760,812.88
  5. Step 5: Solve for x
    x = 464,295,712,760,812.88/17,593,478.20
  6. Step 6: Final answer
    x = 26,390,217.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.