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Finding the Fourth Proportional to 43,262.92, 64,762.86 and 27,691.48

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Solution

The fourth proportional to 43,262.92, 64,762.86 and 27,691.48 is: 41,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.92 : 64,762.86 = 27,691.48 : x
  2. Step 2: Convert to fraction form
    43,262.92/64,762.86 = 27,691.48/x
  3. Step 3: Cross multiply
    43,262.92x = 64,762.86 × 27,691.48
  4. Step 4: Simplify right side
    43,262.92x = 1,793,379,442.43
  5. Step 5: Solve for x
    x = 1,793,379,442.43/43,262.92
  6. Step 6: Final answer
    x = 41,453.04

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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.