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Finding the Fourth Proportional to 8,452.88, 11,668.44 and 5,772.96

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Solution

The fourth proportional to 8,452.88, 11,668.44 and 5,772.96 is: 7,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.88 : 11,668.44 = 5,772.96 : x
  2. Step 2: Convert to fraction form
    8,452.88/11,668.44 = 5,772.96/x
  3. Step 3: Cross multiply
    8,452.88x = 11,668.44 × 5,772.96
  4. Step 4: Simplify right side
    8,452.88x = 67,361,437.38
  5. Step 5: Solve for x
    x = 67,361,437.38/8,452.88
  6. Step 6: Final answer
    x = 7,969.05

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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.