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Finding the Fourth Proportional to 17,739,062.10, 26,608,593.15 and 13,912,686.90

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Solution

The fourth proportional to 17,739,062.10, 26,608,593.15 and 13,912,686.90 is: 20,869,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739,062.10 : 26,608,593.15 = 13,912,686.90 : x
  2. Step 2: Convert to fraction form
    17,739,062.10/26,608,593.15 = 13,912,686.90/x
  3. Step 3: Cross multiply
    17,739,062.10x = 26,608,593.15 × 13,912,686.90
  4. Step 4: Simplify right side
    17,739,062.10x = 370,197,025,345,434.75
  5. Step 5: Solve for x
    x = 370,197,025,345,434.75/17,739,062.10
  6. Step 6: Final answer
    x = 20,869,030.35

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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.