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Finding the Fourth Proportional to 62,408.80, 93,613.20 and 31,232.80

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Solution

The fourth proportional to 62,408.80, 93,613.20 and 31,232.80 is: 46,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,408.80 : 93,613.20 = 31,232.80 : x
  2. Step 2: Convert to fraction form
    62,408.80/93,613.20 = 31,232.80/x
  3. Step 3: Cross multiply
    62,408.80x = 93,613.20 × 31,232.80
  4. Step 4: Simplify right side
    62,408.80x = 2,923,802,352.96
  5. Step 5: Solve for x
    x = 2,923,802,352.96/62,408.80
  6. Step 6: Final answer
    x = 46,849.20

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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.