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Finding the Fourth Proportional to 36,374.60, 54,561.90 and 23,187.80

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Solution

The fourth proportional to 36,374.60, 54,561.90 and 23,187.80 is: 34,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,374.60 : 54,561.90 = 23,187.80 : x
  2. Step 2: Convert to fraction form
    36,374.60/54,561.90 = 23,187.80/x
  3. Step 3: Cross multiply
    36,374.60x = 54,561.90 × 23,187.80
  4. Step 4: Simplify right side
    36,374.60x = 1,265,170,424.82
  5. Step 5: Solve for x
    x = 1,265,170,424.82/36,374.60
  6. Step 6: Final answer
    x = 34,781.70

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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.