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Finding the Fourth Proportional to 59,691.49, 89,537.28 and 15,318.25

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Solution

The fourth proportional to 59,691.49, 89,537.28 and 15,318.25 is: 22,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,691.49 : 89,537.28 = 15,318.25 : x
  2. Step 2: Convert to fraction form
    59,691.49/89,537.28 = 15,318.25/x
  3. Step 3: Cross multiply
    59,691.49x = 89,537.28 × 15,318.25
  4. Step 4: Simplify right side
    59,691.49x = 1,371,554,439.36
  5. Step 5: Solve for x
    x = 1,371,554,439.36/59,691.49
  6. Step 6: Final answer
    x = 22,977.39

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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.