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Finding the Fourth Proportional to 48,859.78, 67,429.72 and 27,351.52

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Solution

The fourth proportional to 48,859.78, 67,429.72 and 27,351.52 is: 37,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.78 : 67,429.72 = 27,351.52 : x
  2. Step 2: Convert to fraction form
    48,859.78/67,429.72 = 27,351.52/x
  3. Step 3: Cross multiply
    48,859.78x = 67,429.72 × 27,351.52
  4. Step 4: Simplify right side
    48,859.78x = 1,844,305,335.17
  5. Step 5: Solve for x
    x = 1,844,305,335.17/48,859.78
  6. Step 6: Final answer
    x = 37,746.90

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1.5x scale

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.