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Finding the Fourth Proportional to 57,165.87, 85,714.17 and 25,570.04

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Solution

The fourth proportional to 57,165.87, 85,714.17 and 25,570.04 is: 38,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.87 : 85,714.17 = 25,570.04 : x
  2. Step 2: Convert to fraction form
    57,165.87/85,714.17 = 25,570.04/x
  3. Step 3: Cross multiply
    57,165.87x = 85,714.17 × 25,570.04
  4. Step 4: Simplify right side
    57,165.87x = 2,191,714,472.08
  5. Step 5: Solve for x
    x = 2,191,714,472.08/57,165.87
  6. Step 6: Final answer
    x = 38,339.56

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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.