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Finding the Fourth Proportional to 29,959.03, 44,949.33 and 12,854.77

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Solution

The fourth proportional to 29,959.03, 44,949.33 and 12,854.77 is: 19,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,959.03 : 44,949.33 = 12,854.77 : x
  2. Step 2: Convert to fraction form
    29,959.03/44,949.33 = 12,854.77/x
  3. Step 3: Cross multiply
    29,959.03x = 44,949.33 × 12,854.77
  4. Step 4: Simplify right side
    29,959.03x = 577,813,298.80
  5. Step 5: Solve for x
    x = 577,813,298.80/29,959.03
  6. Step 6: Final answer
    x = 19,286.78

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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.