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Finding the Fourth Proportional to 5,643.40, 8,452.06 and 5,375.56

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Solution

The fourth proportional to 5,643.40, 8,452.06 and 5,375.56 is: 8,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.40 : 8,452.06 = 5,375.56 : x
  2. Step 2: Convert to fraction form
    5,643.40/8,452.06 = 5,375.56/x
  3. Step 3: Cross multiply
    5,643.40x = 8,452.06 × 5,375.56
  4. Step 4: Simplify right side
    5,643.40x = 45,434,555.65
  5. Step 5: Solve for x
    x = 45,434,555.65/5,643.40
  6. Step 6: Final answer
    x = 8,050.92

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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.