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Finding the Fourth Proportional to 44,806, 67,221.15 and 13,641.25

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Solution

The fourth proportional to 44,806, 67,221.15 and 13,641.25 is: 20,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,806 : 67,221.15 = 13,641.25 : x
  2. Step 2: Convert to fraction form
    44,806/67,221.15 = 13,641.25/x
  3. Step 3: Cross multiply
    44,806x = 67,221.15 × 13,641.25
  4. Step 4: Simplify right side
    44,806x = 916,980,512.44
  5. Step 5: Solve for x
    x = 916,980,512.44/44,806
  6. Step 6: Final answer
    x = 20,465.57

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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.