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Finding the Fourth Proportional to 62,814.96, 86,613.96 and 48,442.32

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Solution

The fourth proportional to 62,814.96, 86,613.96 and 48,442.32 is: 66,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,814.96 : 86,613.96 = 48,442.32 : x
  2. Step 2: Convert to fraction form
    62,814.96/86,613.96 = 48,442.32/x
  3. Step 3: Cross multiply
    62,814.96x = 86,613.96 × 48,442.32
  4. Step 4: Simplify right side
    62,814.96x = 4,195,781,166.79
  5. Step 5: Solve for x
    x = 4,195,781,166.79/62,814.96
  6. Step 6: Final answer
    x = 66,795.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.