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Finding the Fourth Proportional to 11,614.82, 16,020.25 and 7,141.10

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Solution

The fourth proportional to 11,614.82, 16,020.25 and 7,141.10 is: 9,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.82 : 16,020.25 = 7,141.10 : x
  2. Step 2: Convert to fraction form
    11,614.82/16,020.25 = 7,141.10/x
  3. Step 3: Cross multiply
    11,614.82x = 16,020.25 × 7,141.10
  4. Step 4: Simplify right side
    11,614.82x = 114,402,109.32
  5. Step 5: Solve for x
    x = 114,402,109.32/11,614.82
  6. Step 6: Final answer
    x = 9,849.67

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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.