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Finding the Fourth Proportional to 8,876.58, 13,311.42 and 2,951.64

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Solution

The fourth proportional to 8,876.58, 13,311.42 and 2,951.64 is: 4,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.58 : 13,311.42 = 2,951.64 : x
  2. Step 2: Convert to fraction form
    8,876.58/13,311.42 = 2,951.64/x
  3. Step 3: Cross multiply
    8,876.58x = 13,311.42 × 2,951.64
  4. Step 4: Simplify right side
    8,876.58x = 39,290,519.73
  5. Step 5: Solve for x
    x = 39,290,519.73/8,876.58
  6. Step 6: Final answer
    x = 4,426.31

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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.