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Finding the Fourth Proportional to 8,694.78, 13,044.04 and 3,500.66

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Solution

The fourth proportional to 8,694.78, 13,044.04 and 3,500.66 is: 5,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.78 : 13,044.04 = 3,500.66 : x
  2. Step 2: Convert to fraction form
    8,694.78/13,044.04 = 3,500.66/x
  3. Step 3: Cross multiply
    8,694.78x = 13,044.04 × 3,500.66
  4. Step 4: Simplify right side
    8,694.78x = 45,662,749.07
  5. Step 5: Solve for x
    x = 45,662,749.07/8,694.78
  6. Step 6: Final answer
    x = 5,251.74

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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.