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Finding the Fourth Proportional to 6,866.24, 9,475.36 and 5,375.68

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Solution

The fourth proportional to 6,866.24, 9,475.36 and 5,375.68 is: 7,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.24 : 9,475.36 = 5,375.68 : x
  2. Step 2: Convert to fraction form
    6,866.24/9,475.36 = 5,375.68/x
  3. Step 3: Cross multiply
    6,866.24x = 9,475.36 × 5,375.68
  4. Step 4: Simplify right side
    6,866.24x = 50,936,503.24
  5. Step 5: Solve for x
    x = 50,936,503.24/6,866.24
  6. Step 6: Final answer
    x = 7,418.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.