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Finding the Fourth Proportional to 36,520.59, 54,780.88 and 8,818.59

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Solution

The fourth proportional to 36,520.59, 54,780.88 and 8,818.59 is: 13,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.59 : 54,780.88 = 8,818.59 : x
  2. Step 2: Convert to fraction form
    36,520.59/54,780.88 = 8,818.59/x
  3. Step 3: Cross multiply
    36,520.59x = 54,780.88 × 8,818.59
  4. Step 4: Simplify right side
    36,520.59x = 483,089,824.61
  5. Step 5: Solve for x
    x = 483,089,824.61/36,520.59
  6. Step 6: Final answer
    x = 13,227.88

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Similar ratio
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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.