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Finding the Fourth Proportional to 71,535.71, 107,304.30 and 21,616.22

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Solution

The fourth proportional to 71,535.71, 107,304.30 and 21,616.22 is: 32,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.71 : 107,304.30 = 21,616.22 : x
  2. Step 2: Convert to fraction form
    71,535.71/107,304.30 = 21,616.22/x
  3. Step 3: Cross multiply
    71,535.71x = 107,304.30 × 21,616.22
  4. Step 4: Simplify right side
    71,535.71x = 2,319,512,819.22
  5. Step 5: Solve for x
    x = 2,319,512,819.22/71,535.71
  6. Step 6: Final answer
    x = 32,424.55

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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.