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Finding the Fourth Proportional to 12,581.98, 17,363.33 and 6,916.97

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Solution

The fourth proportional to 12,581.98, 17,363.33 and 6,916.97 is: 9,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.98 : 17,363.33 = 6,916.97 : x
  2. Step 2: Convert to fraction form
    12,581.98/17,363.33 = 6,916.97/x
  3. Step 3: Cross multiply
    12,581.98x = 17,363.33 × 6,916.97
  4. Step 4: Simplify right side
    12,581.98x = 120,101,667.47
  5. Step 5: Solve for x
    x = 120,101,667.47/12,581.98
  6. Step 6: Final answer
    x = 9,545.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.