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Finding the Fourth Proportional to 8,892.90, 13,340.03 and 2,652.42

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Solution

The fourth proportional to 8,892.90, 13,340.03 and 2,652.42 is: 3,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.90 : 13,340.03 = 2,652.42 : x
  2. Step 2: Convert to fraction form
    8,892.90/13,340.03 = 2,652.42/x
  3. Step 3: Cross multiply
    8,892.90x = 13,340.03 × 2,652.42
  4. Step 4: Simplify right side
    8,892.90x = 35,383,399.14
  5. Step 5: Solve for x
    x = 35,383,399.14/8,892.90
  6. Step 6: Final answer
    x = 3,978.84

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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.