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Finding the Fourth Proportional to 80,427.92, 110,985.52 and 44,617.20

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Solution

The fourth proportional to 80,427.92, 110,985.52 and 44,617.20 is: 61,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,427.92 : 110,985.52 = 44,617.20 : x
  2. Step 2: Convert to fraction form
    80,427.92/110,985.52 = 44,617.20/x
  3. Step 3: Cross multiply
    80,427.92x = 110,985.52 × 44,617.20
  4. Step 4: Simplify right side
    80,427.92x = 4,951,863,142.94
  5. Step 5: Solve for x
    x = 4,951,863,142.94/80,427.92
  6. Step 6: Final answer
    x = 61,568.96

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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.