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Finding the Fourth Proportional to 10,375.97, 15,568.51 and 5,444.45

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Solution

The fourth proportional to 10,375.97, 15,568.51 and 5,444.45 is: 8,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.97 : 15,568.51 = 5,444.45 : x
  2. Step 2: Convert to fraction form
    10,375.97/15,568.51 = 5,444.45/x
  3. Step 3: Cross multiply
    10,375.97x = 15,568.51 × 5,444.45
  4. Step 4: Simplify right side
    10,375.97x = 84,761,974.27
  5. Step 5: Solve for x
    x = 84,761,974.27/10,375.97
  6. Step 6: Final answer
    x = 8,169.07

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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.