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Finding the Fourth Proportional to 57,983.18, 80,016.80 and 35,322.17

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Solution

The fourth proportional to 57,983.18, 80,016.80 and 35,322.17 is: 48,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.18 : 80,016.80 = 35,322.17 : x
  2. Step 2: Convert to fraction form
    57,983.18/80,016.80 = 35,322.17/x
  3. Step 3: Cross multiply
    57,983.18x = 80,016.80 × 35,322.17
  4. Step 4: Simplify right side
    57,983.18x = 2,826,366,921.61
  5. Step 5: Solve for x
    x = 2,826,366,921.61/57,983.18
  6. Step 6: Final answer
    x = 48,744.60

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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.