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Finding the Fourth Proportional to 18,266.64, 27,402.71 and 6,577.13

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Solution

The fourth proportional to 18,266.64, 27,402.71 and 6,577.13 is: 9,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.64 : 27,402.71 = 6,577.13 : x
  2. Step 2: Convert to fraction form
    18,266.64/27,402.71 = 6,577.13/x
  3. Step 3: Cross multiply
    18,266.64x = 27,402.71 × 6,577.13
  4. Step 4: Simplify right side
    18,266.64x = 180,231,016.12
  5. Step 5: Solve for x
    x = 180,231,016.12/18,266.64
  6. Step 6: Final answer
    x = 9,866.68

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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.