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Finding the Fourth Proportional to 57,874.80, 86,747.40 and 32,926.80

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Solution

The fourth proportional to 57,874.80, 86,747.40 and 32,926.80 is: 49,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874.80 : 86,747.40 = 32,926.80 : x
  2. Step 2: Convert to fraction form
    57,874.80/86,747.40 = 32,926.80/x
  3. Step 3: Cross multiply
    57,874.80x = 86,747.40 × 32,926.80
  4. Step 4: Simplify right side
    57,874.80x = 2,856,314,290.32
  5. Step 5: Solve for x
    x = 2,856,314,290.32/57,874.80
  6. Step 6: Final answer
    x = 49,353.33

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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.