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Finding the Fourth Proportional to 80,347.97, 120,545.52 and 35,964.84

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Solution

The fourth proportional to 80,347.97, 120,545.52 and 35,964.84 is: 53,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.97 : 120,545.52 = 35,964.84 : x
  2. Step 2: Convert to fraction form
    80,347.97/120,545.52 = 35,964.84/x
  3. Step 3: Cross multiply
    80,347.97x = 120,545.52 × 35,964.84
  4. Step 4: Simplify right side
    80,347.97x = 4,335,400,339.52
  5. Step 5: Solve for x
    x = 4,335,400,339.52/80,347.97
  6. Step 6: Final answer
    x = 53,957.81

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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.