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Finding the Fourth Proportional to 41,957.70, 62,927.42 and 13,871.12

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Solution

The fourth proportional to 41,957.70, 62,927.42 and 13,871.12 is: 20,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,957.70 : 62,927.42 = 13,871.12 : x
  2. Step 2: Convert to fraction form
    41,957.70/62,927.42 = 13,871.12/x
  3. Step 3: Cross multiply
    41,957.70x = 62,927.42 × 13,871.12
  4. Step 4: Simplify right side
    41,957.70x = 872,873,410.12
  5. Step 5: Solve for x
    x = 872,873,410.12/41,957.70
  6. Step 6: Final answer
    x = 20,803.65

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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.