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Finding the Fourth Proportional to 3,956.65, 5,937.89 and 1,876.65

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Solution

The fourth proportional to 3,956.65, 5,937.89 and 1,876.65 is: 2,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.65 : 5,937.89 = 1,876.65 : x
  2. Step 2: Convert to fraction form
    3,956.65/5,937.89 = 1,876.65/x
  3. Step 3: Cross multiply
    3,956.65x = 5,937.89 × 1,876.65
  4. Step 4: Simplify right side
    3,956.65x = 11,143,341.27
  5. Step 5: Solve for x
    x = 11,143,341.27/3,956.65
  6. Step 6: Final answer
    x = 2,816.36

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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.