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Finding the Fourth Proportional to 57,142.59, 85,713.90 and 27,554.91

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Solution

The fourth proportional to 57,142.59, 85,713.90 and 27,554.91 is: 41,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.59 : 85,713.90 = 27,554.91 : x
  2. Step 2: Convert to fraction form
    57,142.59/85,713.90 = 27,554.91/x
  3. Step 3: Cross multiply
    57,142.59x = 85,713.90 × 27,554.91
  4. Step 4: Simplify right side
    57,142.59x = 2,361,838,800.25
  5. Step 5: Solve for x
    x = 2,361,838,800.25/57,142.59
  6. Step 6: Final answer
    x = 41,332.37

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Similar ratio
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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.