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Finding the Fourth Proportional to 34,959.62, 48,247.76 and 21,346.91

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Solution

The fourth proportional to 34,959.62, 48,247.76 and 21,346.91 is: 29,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,959.62 : 48,247.76 = 21,346.91 : x
  2. Step 2: Convert to fraction form
    34,959.62/48,247.76 = 21,346.91/x
  3. Step 3: Cross multiply
    34,959.62x = 48,247.76 × 21,346.91
  4. Step 4: Simplify right side
    34,959.62x = 1,029,940,764.41
  5. Step 5: Solve for x
    x = 1,029,940,764.41/34,959.62
  6. Step 6: Final answer
    x = 29,460.87

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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.