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Finding the Fourth Proportional to 56,171.52, 77,520.78 and 32,305.68

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Solution

The fourth proportional to 56,171.52, 77,520.78 and 32,305.68 is: 44,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.52 : 77,520.78 = 32,305.68 : x
  2. Step 2: Convert to fraction form
    56,171.52/77,520.78 = 32,305.68/x
  3. Step 3: Cross multiply
    56,171.52x = 77,520.78 × 32,305.68
  4. Step 4: Simplify right side
    56,171.52x = 2,504,361,512.03
  5. Step 5: Solve for x
    x = 2,504,361,512.03/56,171.52
  6. Step 6: Final answer
    x = 44,584.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.