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Finding the Fourth Proportional to 57,658.68, 79,568.88 and 32,508.20

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Solution

The fourth proportional to 57,658.68, 79,568.88 and 32,508.20 is: 44,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.68 : 79,568.88 = 32,508.20 : x
  2. Step 2: Convert to fraction form
    57,658.68/79,568.88 = 32,508.20/x
  3. Step 3: Cross multiply
    57,658.68x = 79,568.88 × 32,508.20
  4. Step 4: Simplify right side
    57,658.68x = 2,586,641,064.82
  5. Step 5: Solve for x
    x = 2,586,641,064.82/57,658.68
  6. Step 6: Final answer
    x = 44,861.26

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1.5x scale

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.