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Finding the Fourth Proportional to 8,797.70, 13,196.66 and 2,874.53

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Solution

The fourth proportional to 8,797.70, 13,196.66 and 2,874.53 is: 4,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.70 : 13,196.66 = 2,874.53 : x
  2. Step 2: Convert to fraction form
    8,797.70/13,196.66 = 2,874.53/x
  3. Step 3: Cross multiply
    8,797.70x = 13,196.66 × 2,874.53
  4. Step 4: Simplify right side
    8,797.70x = 37,934,213.69
  5. Step 5: Solve for x
    x = 37,934,213.69/8,797.70
  6. Step 6: Final answer
    x = 4,311.84

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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.