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Finding the Fourth Proportional to 71,701.68, 107,455.64 and 27,304.22

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Solution

The fourth proportional to 71,701.68, 107,455.64 and 27,304.22 is: 40,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,701.68 : 107,455.64 = 27,304.22 : x
  2. Step 2: Convert to fraction form
    71,701.68/107,455.64 = 27,304.22/x
  3. Step 3: Cross multiply
    71,701.68x = 107,455.64 × 27,304.22
  4. Step 4: Simplify right side
    71,701.68x = 2,933,992,434.80
  5. Step 5: Solve for x
    x = 2,933,992,434.80/71,701.68
  6. Step 6: Final answer
    x = 40,919.44

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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.