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Finding the Fourth Proportional to 62,462.87, 93,699.94 and 20,332.02

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Solution

The fourth proportional to 62,462.87, 93,699.94 and 20,332.02 is: 30,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,462.87 : 93,699.94 = 20,332.02 : x
  2. Step 2: Convert to fraction form
    62,462.87/93,699.94 = 20,332.02/x
  3. Step 3: Cross multiply
    62,462.87x = 93,699.94 × 20,332.02
  4. Step 4: Simplify right side
    62,462.87x = 1,905,109,129.21
  5. Step 5: Solve for x
    x = 1,905,109,129.21/62,462.87
  6. Step 6: Final answer
    x = 30,499.86

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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.