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Finding the Fourth Proportional to 57,411.64, 79,229.82 and 34,754.77

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Solution

The fourth proportional to 57,411.64, 79,229.82 and 34,754.77 is: 47,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.64 : 79,229.82 = 34,754.77 : x
  2. Step 2: Convert to fraction form
    57,411.64/79,229.82 = 34,754.77/x
  3. Step 3: Cross multiply
    57,411.64x = 79,229.82 × 34,754.77
  4. Step 4: Simplify right side
    57,411.64x = 2,753,614,171.24
  5. Step 5: Solve for x
    x = 2,753,614,171.24/57,411.64
  6. Step 6: Final answer
    x = 47,962.65

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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.