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Finding the Fourth Proportional to 60,865.26, 84,017.46 and 54,480.57

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Solution

The fourth proportional to 60,865.26, 84,017.46 and 54,480.57 is: 75,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865.26 : 84,017.46 = 54,480.57 : x
  2. Step 2: Convert to fraction form
    60,865.26/84,017.46 = 54,480.57/x
  3. Step 3: Cross multiply
    60,865.26x = 84,017.46 × 54,480.57
  4. Step 4: Simplify right side
    60,865.26x = 4,577,319,110.75
  5. Step 5: Solve for x
    x = 4,577,319,110.75/60,865.26
  6. Step 6: Final answer
    x = 75,204.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.