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Finding the Fourth Proportional to 15,542,254.20, 23,313,381.30 and 15,542,254.20

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Solution

The fourth proportional to 15,542,254.20, 23,313,381.30 and 15,542,254.20 is: 23,313,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542,254.20 : 23,313,381.30 = 15,542,254.20 : x
  2. Step 2: Convert to fraction form
    15,542,254.20/23,313,381.30 = 15,542,254.20/x
  3. Step 3: Cross multiply
    15,542,254.20x = 23,313,381.30 × 15,542,254.20
  4. Step 4: Simplify right side
    15,542,254.20x = 362,342,498,426,126.44
  5. Step 5: Solve for x
    x = 362,342,498,426,126.44/15,542,254.20
  6. Step 6: Final answer
    x = 23,313,381.30

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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.