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Finding the Fourth Proportional to 2,411.69, 3,328.30 and 1,349.56

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Solution

The fourth proportional to 2,411.69, 3,328.30 and 1,349.56 is: 1,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.69 : 3,328.30 = 1,349.56 : x
  2. Step 2: Convert to fraction form
    2,411.69/3,328.30 = 1,349.56/x
  3. Step 3: Cross multiply
    2,411.69x = 3,328.30 × 1,349.56
  4. Step 4: Simplify right side
    2,411.69x = 4,491,740.55
  5. Step 5: Solve for x
    x = 4,491,740.55/2,411.69
  6. Step 6: Final answer
    x = 1,862.49

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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.