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Finding the Fourth Proportional to 8,453.73, 11,652.17 and 6,354.21

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Solution

The fourth proportional to 8,453.73, 11,652.17 and 6,354.21 is: 8,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.73 : 11,652.17 = 6,354.21 : x
  2. Step 2: Convert to fraction form
    8,453.73/11,652.17 = 6,354.21/x
  3. Step 3: Cross multiply
    8,453.73x = 11,652.17 × 6,354.21
  4. Step 4: Simplify right side
    8,453.73x = 74,040,335.14
  5. Step 5: Solve for x
    x = 74,040,335.14/8,453.73
  6. Step 6: Final answer
    x = 8,758.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.