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Finding the Fourth Proportional to 62,542.64, 93,812.96 and 15,795.20

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Solution

The fourth proportional to 62,542.64, 93,812.96 and 15,795.20 is: 23,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,542.64 : 93,812.96 = 15,795.20 : x
  2. Step 2: Convert to fraction form
    62,542.64/93,812.96 = 15,795.20/x
  3. Step 3: Cross multiply
    62,542.64x = 93,812.96 × 15,795.20
  4. Step 4: Simplify right side
    62,542.64x = 1,481,794,465.79
  5. Step 5: Solve for x
    x = 1,481,794,465.79/62,542.64
  6. Step 6: Final answer
    x = 23,692.55

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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.