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Finding the Fourth Proportional to 10,083.72, 13,913.34 and 5,890.04

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Solution

The fourth proportional to 10,083.72, 13,913.34 and 5,890.04 is: 8,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.72 : 13,913.34 = 5,890.04 : x
  2. Step 2: Convert to fraction form
    10,083.72/13,913.34 = 5,890.04/x
  3. Step 3: Cross multiply
    10,083.72x = 13,913.34 × 5,890.04
  4. Step 4: Simplify right side
    10,083.72x = 81,950,129.13
  5. Step 5: Solve for x
    x = 81,950,129.13/10,083.72
  6. Step 6: Final answer
    x = 8,126.97

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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.