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Finding the Fourth Proportional to 80,353.92, 120,585.33 and 32,977.56

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Solution

The fourth proportional to 80,353.92, 120,585.33 and 32,977.56 is: 49,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,353.92 : 120,585.33 = 32,977.56 : x
  2. Step 2: Convert to fraction form
    80,353.92/120,585.33 = 32,977.56/x
  3. Step 3: Cross multiply
    80,353.92x = 120,585.33 × 32,977.56
  4. Step 4: Simplify right side
    80,353.92x = 3,976,609,955.19
  5. Step 5: Solve for x
    x = 3,976,609,955.19/80,353.92
  6. Step 6: Final answer
    x = 49,488.69

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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.