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Finding the Fourth Proportional to 10,018.12, 13,824.73 and 5,542.06

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Solution

The fourth proportional to 10,018.12, 13,824.73 and 5,542.06 is: 7,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.12 : 13,824.73 = 5,542.06 : x
  2. Step 2: Convert to fraction form
    10,018.12/13,824.73 = 5,542.06/x
  3. Step 3: Cross multiply
    10,018.12x = 13,824.73 × 5,542.06
  4. Step 4: Simplify right side
    10,018.12x = 76,617,469.29
  5. Step 5: Solve for x
    x = 76,617,469.29/10,018.12
  6. Step 6: Final answer
    x = 7,647.89

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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.