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Finding the Fourth Proportional to 44,974.62, 67,470.12 and 18,681.39

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Solution

The fourth proportional to 44,974.62, 67,470.12 and 18,681.39 is: 28,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,974.62 : 67,470.12 = 18,681.39 : x
  2. Step 2: Convert to fraction form
    44,974.62/67,470.12 = 18,681.39/x
  3. Step 3: Cross multiply
    44,974.62x = 67,470.12 × 18,681.39
  4. Step 4: Simplify right side
    44,974.62x = 1,260,435,625.07
  5. Step 5: Solve for x
    x = 1,260,435,625.07/44,974.62
  6. Step 6: Final answer
    x = 28,025.49

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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.