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Finding the Fourth Proportional to 10,375.70, 15,568.07 and 5,444.15

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Solution

The fourth proportional to 10,375.70, 15,568.07 and 5,444.15 is: 8,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.70 : 15,568.07 = 5,444.15 : x
  2. Step 2: Convert to fraction form
    10,375.70/15,568.07 = 5,444.15/x
  3. Step 3: Cross multiply
    10,375.70x = 15,568.07 × 5,444.15
  4. Step 4: Simplify right side
    10,375.70x = 84,754,803.23
  5. Step 5: Solve for x
    x = 84,754,803.23/10,375.70
  6. Step 6: Final answer
    x = 8,168.59

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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.