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Finding the Fourth Proportional to 48,461.76, 66,794.92 and 36,972.72

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Solution

The fourth proportional to 48,461.76, 66,794.92 and 36,972.72 is: 50,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,461.76 : 66,794.92 = 36,972.72 : x
  2. Step 2: Convert to fraction form
    48,461.76/66,794.92 = 36,972.72/x
  3. Step 3: Cross multiply
    48,461.76x = 66,794.92 × 36,972.72
  4. Step 4: Simplify right side
    48,461.76x = 2,469,589,874.58
  5. Step 5: Solve for x
    x = 2,469,589,874.58/48,461.76
  6. Step 6: Final answer
    x = 50,959.56

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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.