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Finding the Fourth Proportional to 38,151.20, 57,226.80 and 36,000.80

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Solution

The fourth proportional to 38,151.20, 57,226.80 and 36,000.80 is: 54,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.20 : 57,226.80 = 36,000.80 : x
  2. Step 2: Convert to fraction form
    38,151.20/57,226.80 = 36,000.80/x
  3. Step 3: Cross multiply
    38,151.20x = 57,226.80 × 36,000.80
  4. Step 4: Simplify right side
    38,151.20x = 2,060,210,581.44
  5. Step 5: Solve for x
    x = 2,060,210,581.44/38,151.20
  6. Step 6: Final answer
    x = 54,001.20

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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.