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Finding the Fourth Proportional to 2,375.78, 3,564 and 732.56

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Solution

The fourth proportional to 2,375.78, 3,564 and 732.56 is: 1,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.78 : 3,564 = 732.56 : x
  2. Step 2: Convert to fraction form
    2,375.78/3,564 = 732.56/x
  3. Step 3: Cross multiply
    2,375.78x = 3,564 × 732.56
  4. Step 4: Simplify right side
    2,375.78x = 2,610,826.02
  5. Step 5: Solve for x
    x = 2,610,826.02/2,375.78
  6. Step 6: Final answer
    x = 1,098.94

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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.