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Finding the Fourth Proportional to 10,008.82, 13,811.78 and 5,532.28

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Solution

The fourth proportional to 10,008.82, 13,811.78 and 5,532.28 is: 7,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.82 : 13,811.78 = 5,532.28 : x
  2. Step 2: Convert to fraction form
    10,008.82/13,811.78 = 5,532.28/x
  3. Step 3: Cross multiply
    10,008.82x = 13,811.78 × 5,532.28
  4. Step 4: Simplify right side
    10,008.82x = 76,410,634.26
  5. Step 5: Solve for x
    x = 76,410,634.26/10,008.82
  6. Step 6: Final answer
    x = 7,634.33

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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.