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Finding the Fourth Proportional to 62,718.40, 94,092.76 and 36,081.44

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Solution

The fourth proportional to 62,718.40, 94,092.76 and 36,081.44 is: 54,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,718.40 : 94,092.76 = 36,081.44 : x
  2. Step 2: Convert to fraction form
    62,718.40/94,092.76 = 36,081.44/x
  3. Step 3: Cross multiply
    62,718.40x = 94,092.76 × 36,081.44
  4. Step 4: Simplify right side
    62,718.40x = 3,395,002,274.37
  5. Step 5: Solve for x
    x = 3,395,002,274.37/62,718.40
  6. Step 6: Final answer
    x = 54,130.88

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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.