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Finding the Fourth Proportional to 48,112, 66,395.84 and 26,894.88

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Solution

The fourth proportional to 48,112, 66,395.84 and 26,894.88 is: 37,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112 : 66,395.84 = 26,894.88 : x
  2. Step 2: Convert to fraction form
    48,112/66,395.84 = 26,894.88/x
  3. Step 3: Cross multiply
    48,112x = 66,395.84 × 26,894.88
  4. Step 4: Simplify right side
    48,112x = 1,785,708,149.30
  5. Step 5: Solve for x
    x = 1,785,708,149.30/48,112
  6. Step 6: Final answer
    x = 37,115.65

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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.