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Finding the Fourth Proportional to 49,719.70, 68,613.18 and 27,363.70

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Solution

The fourth proportional to 49,719.70, 68,613.18 and 27,363.70 is: 37,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.70 : 68,613.18 = 27,363.70 : x
  2. Step 2: Convert to fraction form
    49,719.70/68,613.18 = 27,363.70/x
  3. Step 3: Cross multiply
    49,719.70x = 68,613.18 × 27,363.70
  4. Step 4: Simplify right side
    49,719.70x = 1,877,510,473.57
  5. Step 5: Solve for x
    x = 1,877,510,473.57/49,719.70
  6. Step 6: Final answer
    x = 37,761.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.