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Finding the Fourth Proportional to 53,704.48, 80,473.92 and 28,747.84

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Solution

The fourth proportional to 53,704.48, 80,473.92 and 28,747.84 is: 43,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,704.48 : 80,473.92 = 28,747.84 : x
  2. Step 2: Convert to fraction form
    53,704.48/80,473.92 = 28,747.84/x
  3. Step 3: Cross multiply
    53,704.48x = 80,473.92 × 28,747.84
  4. Step 4: Simplify right side
    53,704.48x = 2,313,451,376.33
  5. Step 5: Solve for x
    x = 2,313,451,376.33/53,704.48
  6. Step 6: Final answer
    x = 43,077.44

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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.