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Finding the Fourth Proportional to 3,479.68, 5,219.54 and 882.62

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Solution

The fourth proportional to 3,479.68, 5,219.54 and 882.62 is: 1,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.68 : 5,219.54 = 882.62 : x
  2. Step 2: Convert to fraction form
    3,479.68/5,219.54 = 882.62/x
  3. Step 3: Cross multiply
    3,479.68x = 5,219.54 × 882.62
  4. Step 4: Simplify right side
    3,479.68x = 4,606,870.39
  5. Step 5: Solve for x
    x = 4,606,870.39/3,479.68
  6. Step 6: Final answer
    x = 1,323.94

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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.