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Finding the Fourth Proportional to 34,911.82, 48,178.52 and 18,996.37

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Solution

The fourth proportional to 34,911.82, 48,178.52 and 18,996.37 is: 26,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.82 : 48,178.52 = 18,996.37 : x
  2. Step 2: Convert to fraction form
    34,911.82/48,178.52 = 18,996.37/x
  3. Step 3: Cross multiply
    34,911.82x = 48,178.52 × 18,996.37
  4. Step 4: Simplify right side
    34,911.82x = 915,216,919.02
  5. Step 5: Solve for x
    x = 915,216,919.02/34,911.82
  6. Step 6: Final answer
    x = 26,215.10

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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.