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Finding the Fourth Proportional to 43,993.62, 60,695.28 and 28,894.46

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Solution

The fourth proportional to 43,993.62, 60,695.28 and 28,894.46 is: 39,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.62 : 60,695.28 = 28,894.46 : x
  2. Step 2: Convert to fraction form
    43,993.62/60,695.28 = 28,894.46/x
  3. Step 3: Cross multiply
    43,993.62x = 60,695.28 × 28,894.46
  4. Step 4: Simplify right side
    43,993.62x = 1,753,757,491.89
  5. Step 5: Solve for x
    x = 1,753,757,491.89/43,993.62
  6. Step 6: Final answer
    x = 39,863.91

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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.