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Finding the Fourth Proportional to 8,896.69, 13,345.44 and 2,974.11

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Solution

The fourth proportional to 8,896.69, 13,345.44 and 2,974.11 is: 4,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.69 : 13,345.44 = 2,974.11 : x
  2. Step 2: Convert to fraction form
    8,896.69/13,345.44 = 2,974.11/x
  3. Step 3: Cross multiply
    8,896.69x = 13,345.44 × 2,974.11
  4. Step 4: Simplify right side
    8,896.69x = 39,690,806.56
  5. Step 5: Solve for x
    x = 39,690,806.56/8,896.69
  6. Step 6: Final answer
    x = 4,461.30

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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.