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Finding the Fourth Proportional to 3,367.80, 5,050.80 and 1,176.30

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Solution

The fourth proportional to 3,367.80, 5,050.80 and 1,176.30 is: 1,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.80 : 5,050.80 = 1,176.30 : x
  2. Step 2: Convert to fraction form
    3,367.80/5,050.80 = 1,176.30/x
  3. Step 3: Cross multiply
    3,367.80x = 5,050.80 × 1,176.30
  4. Step 4: Simplify right side
    3,367.80x = 5,941,256.04
  5. Step 5: Solve for x
    x = 5,941,256.04/3,367.80
  6. Step 6: Final answer
    x = 1,764.14

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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.