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Finding the Fourth Proportional to 59,913.71, 89,872.86 and 15,539.30

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Solution

The fourth proportional to 59,913.71, 89,872.86 and 15,539.30 is: 23,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,913.71 : 89,872.86 = 15,539.30 : x
  2. Step 2: Convert to fraction form
    59,913.71/89,872.86 = 15,539.30/x
  3. Step 3: Cross multiply
    59,913.71x = 89,872.86 × 15,539.30
  4. Step 4: Simplify right side
    59,913.71x = 1,396,561,333.40
  5. Step 5: Solve for x
    x = 1,396,561,333.40/59,913.71
  6. Step 6: Final answer
    x = 23,309.55

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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.