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Finding the Fourth Proportional to 18,167.88, 27,251.67 and 5,688.03

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Solution

The fourth proportional to 18,167.88, 27,251.67 and 5,688.03 is: 8,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.88 : 27,251.67 = 5,688.03 : x
  2. Step 2: Convert to fraction form
    18,167.88/27,251.67 = 5,688.03/x
  3. Step 3: Cross multiply
    18,167.88x = 27,251.67 × 5,688.03
  4. Step 4: Simplify right side
    18,167.88x = 155,008,316.51
  5. Step 5: Solve for x
    x = 155,008,316.51/18,167.88
  6. Step 6: Final answer
    x = 8,532.00

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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.