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Finding the Fourth Proportional to 8,874, 13,310.64 and 2,633.76

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Solution

The fourth proportional to 8,874, 13,310.64 and 2,633.76 is: 3,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874 : 13,310.64 = 2,633.76 : x
  2. Step 2: Convert to fraction form
    8,874/13,310.64 = 2,633.76/x
  3. Step 3: Cross multiply
    8,874x = 13,310.64 × 2,633.76
  4. Step 4: Simplify right side
    8,874x = 35,057,031.21
  5. Step 5: Solve for x
    x = 35,057,031.21/8,874
  6. Step 6: Final answer
    x = 3,950.53

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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.