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Finding the Fourth Proportional to 83,991.66, 126,010.45 and 24,827.28

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Solution

The fourth proportional to 83,991.66, 126,010.45 and 24,827.28 is: 37,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991.66 : 126,010.45 = 24,827.28 : x
  2. Step 2: Convert to fraction form
    83,991.66/126,010.45 = 24,827.28/x
  3. Step 3: Cross multiply
    83,991.66x = 126,010.45 × 24,827.28
  4. Step 4: Simplify right side
    83,991.66x = 3,128,496,725.08
  5. Step 5: Solve for x
    x = 3,128,496,725.08/83,991.66
  6. Step 6: Final answer
    x = 37,247.71

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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.