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Finding the Fourth Proportional to 57,750.32, 79,694.84 and 32,600.88

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Solution

The fourth proportional to 57,750.32, 79,694.84 and 32,600.88 is: 44,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.32 : 79,694.84 = 32,600.88 : x
  2. Step 2: Convert to fraction form
    57,750.32/79,694.84 = 32,600.88/x
  3. Step 3: Cross multiply
    57,750.32x = 79,694.84 × 32,600.88
  4. Step 4: Simplify right side
    57,750.32x = 2,598,121,915.46
  5. Step 5: Solve for x
    x = 2,598,121,915.46/57,750.32
  6. Step 6: Final answer
    x = 44,988.87

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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.