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Finding the Fourth Proportional to 8,618.03, 12,924.90 and 2,377.76

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Solution

The fourth proportional to 8,618.03, 12,924.90 and 2,377.76 is: 3,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.03 : 12,924.90 = 2,377.76 : x
  2. Step 2: Convert to fraction form
    8,618.03/12,924.90 = 2,377.76/x
  3. Step 3: Cross multiply
    8,618.03x = 12,924.90 × 2,377.76
  4. Step 4: Simplify right side
    8,618.03x = 30,732,245.60
  5. Step 5: Solve for x
    x = 30,732,245.60/8,618.03
  6. Step 6: Final answer
    x = 3,566.04

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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.