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Finding the Fourth Proportional to 36,982.92, 55,474.44 and 9,280.92

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Solution

The fourth proportional to 36,982.92, 55,474.44 and 9,280.92 is: 13,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.92 : 55,474.44 = 9,280.92 : x
  2. Step 2: Convert to fraction form
    36,982.92/55,474.44 = 9,280.92/x
  3. Step 3: Cross multiply
    36,982.92x = 55,474.44 × 9,280.92
  4. Step 4: Simplify right side
    36,982.92x = 514,853,839.68
  5. Step 5: Solve for x
    x = 514,853,839.68/36,982.92
  6. Step 6: Final answer
    x = 13,921.40

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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.