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Finding the Fourth Proportional to 3,432.65, 5,144.11 and 2,736.18

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Solution

The fourth proportional to 3,432.65, 5,144.11 and 2,736.18 is: 4,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.65 : 5,144.11 = 2,736.18 : x
  2. Step 2: Convert to fraction form
    3,432.65/5,144.11 = 2,736.18/x
  3. Step 3: Cross multiply
    3,432.65x = 5,144.11 × 2,736.18
  4. Step 4: Simplify right side
    3,432.65x = 14,075,204.06
  5. Step 5: Solve for x
    x = 14,075,204.06/3,432.65
  6. Step 6: Final answer
    x = 4,100.40

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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.