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Finding the Fourth Proportional to 1,744.61, 2,614.95 and 633.56

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Solution

The fourth proportional to 1,744.61, 2,614.95 and 633.56 is: 949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.61 : 2,614.95 = 633.56 : x
  2. Step 2: Convert to fraction form
    1,744.61/2,614.95 = 633.56/x
  3. Step 3: Cross multiply
    1,744.61x = 2,614.95 × 633.56
  4. Step 4: Simplify right side
    1,744.61x = 1,656,714.65
  5. Step 5: Solve for x
    x = 1,656,714.65/1,744.61
  6. Step 6: Final answer
    x = 949.62

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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.