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Finding the Fourth Proportional to 36,778.60, 55,167.90 and 23,645.80

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Solution

The fourth proportional to 36,778.60, 55,167.90 and 23,645.80 is: 35,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.60 : 55,167.90 = 23,645.80 : x
  2. Step 2: Convert to fraction form
    36,778.60/55,167.90 = 23,645.80/x
  3. Step 3: Cross multiply
    36,778.60x = 55,167.90 × 23,645.80
  4. Step 4: Simplify right side
    36,778.60x = 1,304,489,129.82
  5. Step 5: Solve for x
    x = 1,304,489,129.82/36,778.60
  6. Step 6: Final answer
    x = 35,468.70

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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.