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Finding the Fourth Proportional to 17,399,386.20, 26,099,079.30 and 17,399,386.20

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Solution

The fourth proportional to 17,399,386.20, 26,099,079.30 and 17,399,386.20 is: 26,099,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399,386.20 : 26,099,079.30 = 17,399,386.20 : x
  2. Step 2: Convert to fraction form
    17,399,386.20/26,099,079.30 = 17,399,386.20/x
  3. Step 3: Cross multiply
    17,399,386.20x = 26,099,079.30 × 17,399,386.20
  4. Step 4: Simplify right side
    17,399,386.20x = 454,107,960,205,125.62
  5. Step 5: Solve for x
    x = 454,107,960,205,125.62/17,399,386.20
  6. Step 6: Final answer
    x = 26,099,079.30

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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.