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Finding the Fourth Proportional to 44,749.80, 67,121.82 and 13,585.32

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Solution

The fourth proportional to 44,749.80, 67,121.82 and 13,585.32 is: 20,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,749.80 : 67,121.82 = 13,585.32 : x
  2. Step 2: Convert to fraction form
    44,749.80/67,121.82 = 13,585.32/x
  3. Step 3: Cross multiply
    44,749.80x = 67,121.82 × 13,585.32
  4. Step 4: Simplify right side
    44,749.80x = 911,871,403.68
  5. Step 5: Solve for x
    x = 911,871,403.68/44,749.80
  6. Step 6: Final answer
    x = 20,377.11

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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.