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Finding the Fourth Proportional to 71,568.28, 107,352.43 and 22,320.28

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Solution

The fourth proportional to 71,568.28, 107,352.43 and 22,320.28 is: 33,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.28 : 107,352.43 = 22,320.28 : x
  2. Step 2: Convert to fraction form
    71,568.28/107,352.43 = 22,320.28/x
  3. Step 3: Cross multiply
    71,568.28x = 107,352.43 × 22,320.28
  4. Step 4: Simplify right side
    71,568.28x = 2,396,136,374.67
  5. Step 5: Solve for x
    x = 2,396,136,374.67/71,568.28
  6. Step 6: Final answer
    x = 33,480.42

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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.