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Finding the Fourth Proportional to 6,562.74, 9,837.20 and 2,179.02

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Solution

The fourth proportional to 6,562.74, 9,837.20 and 2,179.02 is: 3,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562.74 : 9,837.20 = 2,179.02 : x
  2. Step 2: Convert to fraction form
    6,562.74/9,837.20 = 2,179.02/x
  3. Step 3: Cross multiply
    6,562.74x = 9,837.20 × 2,179.02
  4. Step 4: Simplify right side
    6,562.74x = 21,435,455.54
  5. Step 5: Solve for x
    x = 21,435,455.54/6,562.74
  6. Step 6: Final answer
    x = 3,266.24

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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.