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Finding the Fourth Proportional to 57,322.92, 79,104.72 and 31,829.28

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Solution

The fourth proportional to 57,322.92, 79,104.72 and 31,829.28 is: 43,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.92 : 79,104.72 = 31,829.28 : x
  2. Step 2: Convert to fraction form
    57,322.92/79,104.72 = 31,829.28/x
  3. Step 3: Cross multiply
    57,322.92x = 79,104.72 × 31,829.28
  4. Step 4: Simplify right side
    57,322.92x = 2,517,846,282.20
  5. Step 5: Solve for x
    x = 2,517,846,282.20/57,322.92
  6. Step 6: Final answer
    x = 43,923.90

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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.