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Finding the Fourth Proportional to 3,543.56, 5,315.06 and 1,463

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Solution

The fourth proportional to 3,543.56, 5,315.06 and 1,463 is: 2,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.56 : 5,315.06 = 1,463 : x
  2. Step 2: Convert to fraction form
    3,543.56/5,315.06 = 1,463/x
  3. Step 3: Cross multiply
    3,543.56x = 5,315.06 × 1,463
  4. Step 4: Simplify right side
    3,543.56x = 7,775,932.78
  5. Step 5: Solve for x
    x = 7,775,932.78/3,543.56
  6. Step 6: Final answer
    x = 2,194.38

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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.