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Finding the Fourth Proportional to 51,248.70, 76,827.49 and 27,568.96

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Solution

The fourth proportional to 51,248.70, 76,827.49 and 27,568.96 is: 41,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.70 : 76,827.49 = 27,568.96 : x
  2. Step 2: Convert to fraction form
    51,248.70/76,827.49 = 27,568.96/x
  3. Step 3: Cross multiply
    51,248.70x = 76,827.49 × 27,568.96
  4. Step 4: Simplify right side
    51,248.70x = 2,118,053,737.72
  5. Step 5: Solve for x
    x = 2,118,053,737.72/51,248.70
  6. Step 6: Final answer
    x = 41,328.93

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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.