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Finding the Fourth Proportional to 62,515.89, 93,692.28 and 54,599.61

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Solution

The fourth proportional to 62,515.89, 93,692.28 and 54,599.61 is: 81,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,515.89 : 93,692.28 = 54,599.61 : x
  2. Step 2: Convert to fraction form
    62,515.89/93,692.28 = 54,599.61/x
  3. Step 3: Cross multiply
    62,515.89x = 93,692.28 × 54,599.61
  4. Step 4: Simplify right side
    62,515.89x = 5,115,561,948.01
  5. Step 5: Solve for x
    x = 5,115,561,948.01/62,515.89
  6. Step 6: Final answer
    x = 81,828.19

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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.