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Finding the Fourth Proportional to 34,568.48, 51,863.48 and 12,382.05

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Solution

The fourth proportional to 34,568.48, 51,863.48 and 12,382.05 is: 18,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,568.48 : 51,863.48 = 12,382.05 : x
  2. Step 2: Convert to fraction form
    34,568.48/51,863.48 = 12,382.05/x
  3. Step 3: Cross multiply
    34,568.48x = 51,863.48 × 12,382.05
  4. Step 4: Simplify right side
    34,568.48x = 642,176,202.53
  5. Step 5: Solve for x
    x = 642,176,202.53/34,568.48
  6. Step 6: Final answer
    x = 18,576.93

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Why These Related Problems?

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