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Finding the Fourth Proportional to 57,939.92, 79,951.56 and 46,032.08

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Solution

The fourth proportional to 57,939.92, 79,951.56 and 46,032.08 is: 63,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.92 : 79,951.56 = 46,032.08 : x
  2. Step 2: Convert to fraction form
    57,939.92/79,951.56 = 46,032.08/x
  3. Step 3: Cross multiply
    57,939.92x = 79,951.56 × 46,032.08
  4. Step 4: Simplify right side
    57,939.92x = 3,680,336,606.04
  5. Step 5: Solve for x
    x = 3,680,336,606.04/57,939.92
  6. Step 6: Final answer
    x = 63,519.88

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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.