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Finding the Fourth Proportional to 51,446.91, 76,959.84 and 38,873.47

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Solution

The fourth proportional to 51,446.91, 76,959.84 and 38,873.47 is: 58,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.91 : 76,959.84 = 38,873.47 : x
  2. Step 2: Convert to fraction form
    51,446.91/76,959.84 = 38,873.47/x
  3. Step 3: Cross multiply
    51,446.91x = 76,959.84 × 38,873.47
  4. Step 4: Simplify right side
    51,446.91x = 2,991,696,031.44
  5. Step 5: Solve for x
    x = 2,991,696,031.44/51,446.91
  6. Step 6: Final answer
    x = 58,151.13

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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.