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Finding the Fourth Proportional to 57,049.74, 85,611.87 and 25,885.26

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Solution

The fourth proportional to 57,049.74, 85,611.87 and 25,885.26 is: 38,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.74 : 85,611.87 = 25,885.26 : x
  2. Step 2: Convert to fraction form
    57,049.74/85,611.87 = 25,885.26/x
  3. Step 3: Cross multiply
    57,049.74x = 85,611.87 × 25,885.26
  4. Step 4: Simplify right side
    57,049.74x = 2,216,085,514.04
  5. Step 5: Solve for x
    x = 2,216,085,514.04/57,049.74
  6. Step 6: Final answer
    x = 38,844.80

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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.