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Finding the Fourth Proportional to 57,549.92, 79,418.12 and 32,055.60

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Solution

The fourth proportional to 57,549.92, 79,418.12 and 32,055.60 is: 44,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,549.92 : 79,418.12 = 32,055.60 : x
  2. Step 2: Convert to fraction form
    57,549.92/79,418.12 = 32,055.60/x
  3. Step 3: Cross multiply
    57,549.92x = 79,418.12 × 32,055.60
  4. Step 4: Simplify right side
    57,549.92x = 2,545,795,487.47
  5. Step 5: Solve for x
    x = 2,545,795,487.47/57,549.92
  6. Step 6: Final answer
    x = 44,236.30

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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.