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Finding the Fourth Proportional to 59,788.31, 89,687.63 and 15,414.68

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Solution

The fourth proportional to 59,788.31, 89,687.63 and 15,414.68 is: 23,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,788.31 : 89,687.63 = 15,414.68 : x
  2. Step 2: Convert to fraction form
    59,788.31/89,687.63 = 15,414.68/x
  3. Step 3: Cross multiply
    59,788.31x = 89,687.63 × 15,414.68
  4. Step 4: Simplify right side
    59,788.31x = 1,382,506,039.34
  5. Step 5: Solve for x
    x = 1,382,506,039.34/59,788.31
  6. Step 6: Final answer
    x = 23,123.35

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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.