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Finding the Fourth Proportional to 2,353, 3,528.22 and 1,531.56

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Solution

The fourth proportional to 2,353, 3,528.22 and 1,531.56 is: 2,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353 : 3,528.22 = 1,531.56 : x
  2. Step 2: Convert to fraction form
    2,353/3,528.22 = 1,531.56/x
  3. Step 3: Cross multiply
    2,353x = 3,528.22 × 1,531.56
  4. Step 4: Simplify right side
    2,353x = 5,403,680.62
  5. Step 5: Solve for x
    x = 5,403,680.62/2,353
  6. Step 6: Final answer
    x = 2,296.51

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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.