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Finding the Fourth Proportional to 18,416.76, 27,617.04 and 5,266.14

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Solution

The fourth proportional to 18,416.76, 27,617.04 and 5,266.14 is: 7,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.76 : 27,617.04 = 5,266.14 : x
  2. Step 2: Convert to fraction form
    18,416.76/27,617.04 = 5,266.14/x
  3. Step 3: Cross multiply
    18,416.76x = 27,617.04 × 5,266.14
  4. Step 4: Simplify right side
    18,416.76x = 145,435,199.03
  5. Step 5: Solve for x
    x = 145,435,199.03/18,416.76
  6. Step 6: Final answer
    x = 7,896.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.