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Finding the Fourth Proportional to 57,699.92, 79,625.76 and 32,549.24

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Solution

The fourth proportional to 57,699.92, 79,625.76 and 32,549.24 is: 44,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.92 : 79,625.76 = 32,549.24 : x
  2. Step 2: Convert to fraction form
    57,699.92/79,625.76 = 32,549.24/x
  3. Step 3: Cross multiply
    57,699.92x = 79,625.76 × 32,549.24
  4. Step 4: Simplify right side
    57,699.92x = 2,591,757,972.42
  5. Step 5: Solve for x
    x = 2,591,757,972.42/57,699.92
  6. Step 6: Final answer
    x = 44,917.88

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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.