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Finding the Fourth Proportional to 62,513.89, 93,689.28 and 54,597.61

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Solution

The fourth proportional to 62,513.89, 93,689.28 and 54,597.61 is: 81,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,513.89 : 93,689.28 = 54,597.61 : x
  2. Step 2: Convert to fraction form
    62,513.89/93,689.28 = 54,597.61/x
  3. Step 3: Cross multiply
    62,513.89x = 93,689.28 × 54,597.61
  4. Step 4: Simplify right side
    62,513.89x = 5,115,210,770.62
  5. Step 5: Solve for x
    x = 5,115,210,770.62/62,513.89
  6. Step 6: Final answer
    x = 81,825.19

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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.