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Finding the Fourth Proportional to 17,616.65, 26,424.45 and 7,083.41

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Solution

The fourth proportional to 17,616.65, 26,424.45 and 7,083.41 is: 10,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.65 : 26,424.45 = 7,083.41 : x
  2. Step 2: Convert to fraction form
    17,616.65/26,424.45 = 7,083.41/x
  3. Step 3: Cross multiply
    17,616.65x = 26,424.45 × 7,083.41
  4. Step 4: Simplify right side
    17,616.65x = 187,175,081.25
  5. Step 5: Solve for x
    x = 187,175,081.25/17,616.65
  6. Step 6: Final answer
    x = 10,624.90

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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.