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Finding the Fourth Proportional to 10,469.11, 15,704.21 and 2,677.99

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Solution

The fourth proportional to 10,469.11, 15,704.21 and 2,677.99 is: 4,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.11 : 15,704.21 = 2,677.99 : x
  2. Step 2: Convert to fraction form
    10,469.11/15,704.21 = 2,677.99/x
  3. Step 3: Cross multiply
    10,469.11x = 15,704.21 × 2,677.99
  4. Step 4: Simplify right side
    10,469.11x = 42,055,717.34
  5. Step 5: Solve for x
    x = 42,055,717.34/10,469.11
  6. Step 6: Final answer
    x = 4,017.12

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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.