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Finding the Fourth Proportional to 8,225.85, 12,339.80 and 2,677.71

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Solution

The fourth proportional to 8,225.85, 12,339.80 and 2,677.71 is: 4,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.85 : 12,339.80 = 2,677.71 : x
  2. Step 2: Convert to fraction form
    8,225.85/12,339.80 = 2,677.71/x
  3. Step 3: Cross multiply
    8,225.85x = 12,339.80 × 2,677.71
  4. Step 4: Simplify right side
    8,225.85x = 33,042,405.86
  5. Step 5: Solve for x
    x = 33,042,405.86/8,225.85
  6. Step 6: Final answer
    x = 4,016.90

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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.