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Finding the Fourth Proportional to 54,332.82, 81,479.79 and 29,391.30

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Solution

The fourth proportional to 54,332.82, 81,479.79 and 29,391.30 is: 44,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.82 : 81,479.79 = 29,391.30 : x
  2. Step 2: Convert to fraction form
    54,332.82/81,479.79 = 29,391.30/x
  3. Step 3: Cross multiply
    54,332.82x = 81,479.79 × 29,391.30
  4. Step 4: Simplify right side
    54,332.82x = 2,394,796,951.83
  5. Step 5: Solve for x
    x = 2,394,796,951.83/54,332.82
  6. Step 6: Final answer
    x = 44,076.43

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1.5x scale

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.