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Finding the Fourth Proportional to 10,855.82, 14,981.03 and 5,887.82

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Solution

The fourth proportional to 10,855.82, 14,981.03 and 5,887.82 is: 8,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.82 : 14,981.03 = 5,887.82 : x
  2. Step 2: Convert to fraction form
    10,855.82/14,981.03 = 5,887.82/x
  3. Step 3: Cross multiply
    10,855.82x = 14,981.03 × 5,887.82
  4. Step 4: Simplify right side
    10,855.82x = 88,205,541.16
  5. Step 5: Solve for x
    x = 88,205,541.16/10,855.82
  6. Step 6: Final answer
    x = 8,125.19

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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.