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Finding the Fourth Proportional to 4,882.86, 7,316.01 and 3,489.12

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Solution

The fourth proportional to 4,882.86, 7,316.01 and 3,489.12 is: 5,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.86 : 7,316.01 = 3,489.12 : x
  2. Step 2: Convert to fraction form
    4,882.86/7,316.01 = 3,489.12/x
  3. Step 3: Cross multiply
    4,882.86x = 7,316.01 × 3,489.12
  4. Step 4: Simplify right side
    4,882.86x = 25,526,436.81
  5. Step 5: Solve for x
    x = 25,526,436.81/4,882.86
  6. Step 6: Final answer
    x = 5,227.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.