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Finding the Fourth Proportional to 43,993.74, 60,695.45 and 28,894.58

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Solution

The fourth proportional to 43,993.74, 60,695.45 and 28,894.58 is: 39,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.74 : 60,695.45 = 28,894.58 : x
  2. Step 2: Convert to fraction form
    43,993.74/60,695.45 = 28,894.58/x
  3. Step 3: Cross multiply
    43,993.74x = 60,695.45 × 28,894.58
  4. Step 4: Simplify right side
    43,993.74x = 1,753,769,535.66
  5. Step 5: Solve for x
    x = 1,753,769,535.66/43,993.74
  6. Step 6: Final answer
    x = 39,864.07

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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.