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Finding the Fourth Proportional to 9,882.00, 13,638.46 and 5,634.59

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Solution

The fourth proportional to 9,882.00, 13,638.46 and 5,634.59 is: 7,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.00 : 13,638.46 = 5,634.59 : x
  2. Step 2: Convert to fraction form
    9,882.00/13,638.46 = 5,634.59/x
  3. Step 3: Cross multiply
    9,882.00x = 13,638.46 × 5,634.59
  4. Step 4: Simplify right side
    9,882.00x = 76,847,130.33
  5. Step 5: Solve for x
    x = 76,847,130.33/9,882.00
  6. Step 6: Final answer
    x = 7,776.48

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