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Finding the Fourth Proportional to 57,179.56, 85,786.98 and 25,616.20

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Solution

The fourth proportional to 57,179.56, 85,786.98 and 25,616.20 is: 38,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.56 : 85,786.98 = 25,616.20 : x
  2. Step 2: Convert to fraction form
    57,179.56/85,786.98 = 25,616.20/x
  3. Step 3: Cross multiply
    57,179.56x = 85,786.98 × 25,616.20
  4. Step 4: Simplify right side
    57,179.56x = 2,197,536,437.08
  5. Step 5: Solve for x
    x = 2,197,536,437.08/57,179.56
  6. Step 6: Final answer
    x = 38,432.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.