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Finding the Fourth Proportional to 6,375.72, 9,567.36 and 3,453.96

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Solution

The fourth proportional to 6,375.72, 9,567.36 and 3,453.96 is: 5,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.72 : 9,567.36 = 3,453.96 : x
  2. Step 2: Convert to fraction form
    6,375.72/9,567.36 = 3,453.96/x
  3. Step 3: Cross multiply
    6,375.72x = 9,567.36 × 3,453.96
  4. Step 4: Simplify right side
    6,375.72x = 33,045,278.75
  5. Step 5: Solve for x
    x = 33,045,278.75/6,375.72
  6. Step 6: Final answer
    x = 5,182.99

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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.