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Finding the Fourth Proportional to 41,608, 62,422.24 and 12,424

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Solution

The fourth proportional to 41,608, 62,422.24 and 12,424 is: 18,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,608 : 62,422.24 = 12,424 : x
  2. Step 2: Convert to fraction form
    41,608/62,422.24 = 12,424/x
  3. Step 3: Cross multiply
    41,608x = 62,422.24 × 12,424
  4. Step 4: Simplify right side
    41,608x = 775,533,909.76
  5. Step 5: Solve for x
    x = 775,533,909.76/41,608
  6. Step 6: Final answer
    x = 18,639.06

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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.