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Finding the Fourth Proportional to 6,992.88, 10,491.15 and 2,610.38

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Solution

The fourth proportional to 6,992.88, 10,491.15 and 2,610.38 is: 3,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.88 : 10,491.15 = 2,610.38 : x
  2. Step 2: Convert to fraction form
    6,992.88/10,491.15 = 2,610.38/x
  3. Step 3: Cross multiply
    6,992.88x = 10,491.15 × 2,610.38
  4. Step 4: Simplify right side
    6,992.88x = 27,385,835.68
  5. Step 5: Solve for x
    x = 27,385,835.68/6,992.88
  6. Step 6: Final answer
    x = 3,916.25

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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.