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Finding the Fourth Proportional to 71,626.25, 107,439.38 and 22,378.25

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Solution

The fourth proportional to 71,626.25, 107,439.38 and 22,378.25 is: 33,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626.25 : 107,439.38 = 22,378.25 : x
  2. Step 2: Convert to fraction form
    71,626.25/107,439.38 = 22,378.25/x
  3. Step 3: Cross multiply
    71,626.25x = 107,439.38 × 22,378.25
  4. Step 4: Simplify right side
    71,626.25x = 2,404,305,305.49
  5. Step 5: Solve for x
    x = 2,404,305,305.49/71,626.25
  6. Step 6: Final answer
    x = 33,567.38

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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.