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Finding the Fourth Proportional to 29,807.12, 41,138.84 and 17,239.12

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Solution

The fourth proportional to 29,807.12, 41,138.84 and 17,239.12 is: 23,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,807.12 : 41,138.84 = 17,239.12 : x
  2. Step 2: Convert to fraction form
    29,807.12/41,138.84 = 17,239.12/x
  3. Step 3: Cross multiply
    29,807.12x = 41,138.84 × 17,239.12
  4. Step 4: Simplify right side
    29,807.12x = 709,197,399.42
  5. Step 5: Solve for x
    x = 709,197,399.42/29,807.12
  6. Step 6: Final answer
    x = 23,792.89

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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.