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Finding the Fourth Proportional to 52,912.38, 73,019.03 and 29,039.12

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Solution

The fourth proportional to 52,912.38, 73,019.03 and 29,039.12 is: 40,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,912.38 : 73,019.03 = 29,039.12 : x
  2. Step 2: Convert to fraction form
    52,912.38/73,019.03 = 29,039.12/x
  3. Step 3: Cross multiply
    52,912.38x = 73,019.03 × 29,039.12
  4. Step 4: Simplify right side
    52,912.38x = 2,120,407,864.16
  5. Step 5: Solve for x
    x = 2,120,407,864.16/52,912.38
  6. Step 6: Final answer
    x = 40,073.95

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1.5x scale

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.