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Finding the Fourth Proportional to 10,882.69, 15,018.11 and 5,914.69

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Solution

The fourth proportional to 10,882.69, 15,018.11 and 5,914.69 is: 8,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.69 : 15,018.11 = 5,914.69 : x
  2. Step 2: Convert to fraction form
    10,882.69/15,018.11 = 5,914.69/x
  3. Step 3: Cross multiply
    10,882.69x = 15,018.11 × 5,914.69
  4. Step 4: Simplify right side
    10,882.69x = 88,827,420.10
  5. Step 5: Solve for x
    x = 88,827,420.10/10,882.69
  6. Step 6: Final answer
    x = 8,162.27

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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.