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Finding the Fourth Proportional to 49,871.70, 68,821.62 and 27,210.70

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Solution

The fourth proportional to 49,871.70, 68,821.62 and 27,210.70 is: 37,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.70 : 68,821.62 = 27,210.70 : x
  2. Step 2: Convert to fraction form
    49,871.70/68,821.62 = 27,210.70/x
  3. Step 3: Cross multiply
    49,871.70x = 68,821.62 × 27,210.70
  4. Step 4: Simplify right side
    49,871.70x = 1,872,684,455.33
  5. Step 5: Solve for x
    x = 1,872,684,455.33/49,871.70
  6. Step 6: Final answer
    x = 37,550.04

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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.