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Finding the Fourth Proportional to 1,685.44, 2,524.44 and 1,034.20

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Solution

The fourth proportional to 1,685.44, 2,524.44 and 1,034.20 is: 1,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.44 : 2,524.44 = 1,034.20 : x
  2. Step 2: Convert to fraction form
    1,685.44/2,524.44 = 1,034.20/x
  3. Step 3: Cross multiply
    1,685.44x = 2,524.44 × 1,034.20
  4. Step 4: Simplify right side
    1,685.44x = 2,610,775.85
  5. Step 5: Solve for x
    x = 2,610,775.85/1,685.44
  6. Step 6: Final answer
    x = 1,549.02

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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.