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Finding the Fourth Proportional to 41,351.68, 62,035.20 and 19,150.40

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Solution

The fourth proportional to 41,351.68, 62,035.20 and 19,150.40 is: 28,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,351.68 : 62,035.20 = 19,150.40 : x
  2. Step 2: Convert to fraction form
    41,351.68/62,035.20 = 19,150.40/x
  3. Step 3: Cross multiply
    41,351.68x = 62,035.20 × 19,150.40
  4. Step 4: Simplify right side
    41,351.68x = 1,187,998,894.08
  5. Step 5: Solve for x
    x = 1,187,998,894.08/41,351.68
  6. Step 6: Final answer
    x = 28,729.16

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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.