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Finding the Fourth Proportional to 8,884.08, 12,250.85 and 7,629.29

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Solution

The fourth proportional to 8,884.08, 12,250.85 and 7,629.29 is: 10,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.08 : 12,250.85 = 7,629.29 : x
  2. Step 2: Convert to fraction form
    8,884.08/12,250.85 = 7,629.29/x
  3. Step 3: Cross multiply
    8,884.08x = 12,250.85 × 7,629.29
  4. Step 4: Simplify right side
    8,884.08x = 93,465,233.94
  5. Step 5: Solve for x
    x = 93,465,233.94/8,884.08
  6. Step 6: Final answer
    x = 10,520.53

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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.