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Finding the Fourth Proportional to 8,766.72, 13,147.20 and 5,650.08

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Solution

The fourth proportional to 8,766.72, 13,147.20 and 5,650.08 is: 8,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.72 : 13,147.20 = 5,650.08 : x
  2. Step 2: Convert to fraction form
    8,766.72/13,147.20 = 5,650.08/x
  3. Step 3: Cross multiply
    8,766.72x = 13,147.20 × 5,650.08
  4. Step 4: Simplify right side
    8,766.72x = 74,282,731.78
  5. Step 5: Solve for x
    x = 74,282,731.78/8,766.72
  6. Step 6: Final answer
    x = 8,473.26

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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.