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Finding the Fourth Proportional to 3,324.65, 4,984.88 and 1,763.66

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Solution

The fourth proportional to 3,324.65, 4,984.88 and 1,763.66 is: 2,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.65 : 4,984.88 = 1,763.66 : x
  2. Step 2: Convert to fraction form
    3,324.65/4,984.88 = 1,763.66/x
  3. Step 3: Cross multiply
    3,324.65x = 4,984.88 × 1,763.66
  4. Step 4: Simplify right side
    3,324.65x = 8,791,637.10
  5. Step 5: Solve for x
    x = 8,791,637.10/3,324.65
  6. Step 6: Final answer
    x = 2,644.38

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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.