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Finding the Fourth Proportional to 6,358.72, 9,540.08 and 2,851.68

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Solution

The fourth proportional to 6,358.72, 9,540.08 and 2,851.68 is: 4,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.72 : 9,540.08 = 2,851.68 : x
  2. Step 2: Convert to fraction form
    6,358.72/9,540.08 = 2,851.68/x
  3. Step 3: Cross multiply
    6,358.72x = 9,540.08 × 2,851.68
  4. Step 4: Simplify right side
    6,358.72x = 27,205,255.33
  5. Step 5: Solve for x
    x = 27,205,255.33/6,358.72
  6. Step 6: Final answer
    x = 4,278.42

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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.