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Finding the Fourth Proportional to 57,126.96, 85,710.96 and 25,534.35

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Solution

The fourth proportional to 57,126.96, 85,710.96 and 25,534.35 is: 38,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.96 : 85,710.96 = 25,534.35 : x
  2. Step 2: Convert to fraction form
    57,126.96/85,710.96 = 25,534.35/x
  3. Step 3: Cross multiply
    57,126.96x = 85,710.96 × 25,534.35
  4. Step 4: Simplify right side
    57,126.96x = 2,188,573,651.48
  5. Step 5: Solve for x
    x = 2,188,573,651.48/57,126.96
  6. Step 6: Final answer
    x = 38,310.70

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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.