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Finding the Fourth Proportional to 62,501.67, 93,753.11 and 15,754.55

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Solution

The fourth proportional to 62,501.67, 93,753.11 and 15,754.55 is: 23,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,501.67 : 93,753.11 = 15,754.55 : x
  2. Step 2: Convert to fraction form
    62,501.67/93,753.11 = 15,754.55/x
  3. Step 3: Cross multiply
    62,501.67x = 93,753.11 × 15,754.55
  4. Step 4: Simplify right side
    62,501.67x = 1,477,037,629.77
  5. Step 5: Solve for x
    x = 1,477,037,629.77/62,501.67
  6. Step 6: Final answer
    x = 23,631.97

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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.