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Finding the Fourth Proportional to 71,550.84, 107,326.26 and 27,177.48

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Solution

The fourth proportional to 71,550.84, 107,326.26 and 27,177.48 is: 40,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,550.84 : 107,326.26 = 27,177.48 : x
  2. Step 2: Convert to fraction form
    71,550.84/107,326.26 = 27,177.48/x
  3. Step 3: Cross multiply
    71,550.84x = 107,326.26 × 27,177.48
  4. Step 4: Simplify right side
    71,550.84x = 2,916,857,284.62
  5. Step 5: Solve for x
    x = 2,916,857,284.62/71,550.84
  6. Step 6: Final answer
    x = 40,766.22

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1.5x scale

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.