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Finding the Fourth Proportional to 71,567.60, 107,351.40 and 22,319.60

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Solution

The fourth proportional to 71,567.60, 107,351.40 and 22,319.60 is: 33,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.60 : 107,351.40 = 22,319.60 : x
  2. Step 2: Convert to fraction form
    71,567.60/107,351.40 = 22,319.60/x
  3. Step 3: Cross multiply
    71,567.60x = 107,351.40 × 22,319.60
  4. Step 4: Simplify right side
    71,567.60x = 2,396,039,770.68
  5. Step 5: Solve for x
    x = 2,396,039,770.68/71,567.60
  6. Step 6: Final answer
    x = 33,479.39

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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.