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Finding the Fourth Proportional to 3,375.65, 5,063.52 and 1,184.40

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Solution

The fourth proportional to 3,375.65, 5,063.52 and 1,184.40 is: 1,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.65 : 5,063.52 = 1,184.40 : x
  2. Step 2: Convert to fraction form
    3,375.65/5,063.52 = 1,184.40/x
  3. Step 3: Cross multiply
    3,375.65x = 5,063.52 × 1,184.40
  4. Step 4: Simplify right side
    3,375.65x = 5,997,233.09
  5. Step 5: Solve for x
    x = 5,997,233.09/3,375.65
  6. Step 6: Final answer
    x = 1,776.62

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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.