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Finding the Fourth Proportional to 10,151.82, 14,005.14 and 5,902.56

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Solution

The fourth proportional to 10,151.82, 14,005.14 and 5,902.56 is: 8,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.82 : 14,005.14 = 5,902.56 : x
  2. Step 2: Convert to fraction form
    10,151.82/14,005.14 = 5,902.56/x
  3. Step 3: Cross multiply
    10,151.82x = 14,005.14 × 5,902.56
  4. Step 4: Simplify right side
    10,151.82x = 82,666,179.16
  5. Step 5: Solve for x
    x = 82,666,179.16/10,151.82
  6. Step 6: Final answer
    x = 8,142.99

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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.