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Finding the Fourth Proportional to 3,608.65, 5,412.52 and 1,529.49

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Solution

The fourth proportional to 3,608.65, 5,412.52 and 1,529.49 is: 2,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.65 : 5,412.52 = 1,529.49 : x
  2. Step 2: Convert to fraction form
    3,608.65/5,412.52 = 1,529.49/x
  3. Step 3: Cross multiply
    3,608.65x = 5,412.52 × 1,529.49
  4. Step 4: Simplify right side
    3,608.65x = 8,278,395.21
  5. Step 5: Solve for x
    x = 8,278,395.21/3,608.65
  6. Step 6: Final answer
    x = 2,294.04

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1.5x scale

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.