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Finding the Fourth Proportional to 19,651.17, 29,447.91 and 12,233.01

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Solution

The fourth proportional to 19,651.17, 29,447.91 and 12,233.01 is: 18,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.17 : 29,447.91 = 12,233.01 : x
  2. Step 2: Convert to fraction form
    19,651.17/29,447.91 = 12,233.01/x
  3. Step 3: Cross multiply
    19,651.17x = 29,447.91 × 12,233.01
  4. Step 4: Simplify right side
    19,651.17x = 360,236,577.51
  5. Step 5: Solve for x
    x = 360,236,577.51/19,651.17
  6. Step 6: Final answer
    x = 18,331.56

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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.