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Finding the Fourth Proportional to 10,863.06, 14,990.97 and 5,895.06

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Solution

The fourth proportional to 10,863.06, 14,990.97 and 5,895.06 is: 8,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.06 : 14,990.97 = 5,895.06 : x
  2. Step 2: Convert to fraction form
    10,863.06/14,990.97 = 5,895.06/x
  3. Step 3: Cross multiply
    10,863.06x = 14,990.97 × 5,895.06
  4. Step 4: Simplify right side
    10,863.06x = 88,372,667.61
  5. Step 5: Solve for x
    x = 88,372,667.61/10,863.06
  6. Step 6: Final answer
    x = 8,135.15

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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.