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Finding the Fourth Proportional to 8,545.22, 12,823.60 and 2,998.62

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Solution

The fourth proportional to 8,545.22, 12,823.60 and 2,998.62 is: 4,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.22 : 12,823.60 = 2,998.62 : x
  2. Step 2: Convert to fraction form
    8,545.22/12,823.60 = 2,998.62/x
  3. Step 3: Cross multiply
    8,545.22x = 12,823.60 × 2,998.62
  4. Step 4: Simplify right side
    8,545.22x = 38,453,103.43
  5. Step 5: Solve for x
    x = 38,453,103.43/8,545.22
  6. Step 6: Final answer
    x = 4,499.95

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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.