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Finding the Fourth Proportional to 57,658.88, 79,569.36 and 32,508.32

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Solution

The fourth proportional to 57,658.88, 79,569.36 and 32,508.32 is: 44,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.88 : 79,569.36 = 32,508.32 : x
  2. Step 2: Convert to fraction form
    57,658.88/79,569.36 = 32,508.32/x
  3. Step 3: Cross multiply
    57,658.88x = 79,569.36 × 32,508.32
  4. Step 4: Simplify right side
    57,658.88x = 2,586,666,217.08
  5. Step 5: Solve for x
    x = 2,586,666,217.08/57,658.88
  6. Step 6: Final answer
    x = 44,861.54

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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.