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Finding the Fourth Proportional to 8,776.10, 13,164.84 and 2,932.73

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Solution

The fourth proportional to 8,776.10, 13,164.84 and 2,932.73 is: 4,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.10 : 13,164.84 = 2,932.73 : x
  2. Step 2: Convert to fraction form
    8,776.10/13,164.84 = 2,932.73/x
  3. Step 3: Cross multiply
    8,776.10x = 13,164.84 × 2,932.73
  4. Step 4: Simplify right side
    8,776.10x = 38,608,921.21
  5. Step 5: Solve for x
    x = 38,608,921.21/8,776.10
  6. Step 6: Final answer
    x = 4,399.33

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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.