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Finding the Fourth Proportional to 43,959.52, 65,965.20 and 16,276.96

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Solution

The fourth proportional to 43,959.52, 65,965.20 and 16,276.96 is: 24,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959.52 : 65,965.20 = 16,276.96 : x
  2. Step 2: Convert to fraction form
    43,959.52/65,965.20 = 16,276.96/x
  3. Step 3: Cross multiply
    43,959.52x = 65,965.20 × 16,276.96
  4. Step 4: Simplify right side
    43,959.52x = 1,073,712,921.79
  5. Step 5: Solve for x
    x = 1,073,712,921.79/43,959.52
  6. Step 6: Final answer
    x = 24,425.04

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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.