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Finding the Fourth Proportional to 49,077.60, 73,540.80 and 36,538.80

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Solution

The fourth proportional to 49,077.60, 73,540.80 and 36,538.80 is: 54,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,077.60 : 73,540.80 = 36,538.80 : x
  2. Step 2: Convert to fraction form
    49,077.60/73,540.80 = 36,538.80/x
  3. Step 3: Cross multiply
    49,077.60x = 73,540.80 × 36,538.80
  4. Step 4: Simplify right side
    49,077.60x = 2,687,092,583.04
  5. Step 5: Solve for x
    x = 2,687,092,583.04/49,077.60
  6. Step 6: Final answer
    x = 54,751.91

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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.