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Finding the Fourth Proportional to 34,980.73, 48,273.11 and 19,065.18

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Solution

The fourth proportional to 34,980.73, 48,273.11 and 19,065.18 is: 26,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.73 : 48,273.11 = 19,065.18 : x
  2. Step 2: Convert to fraction form
    34,980.73/48,273.11 = 19,065.18/x
  3. Step 3: Cross multiply
    34,980.73x = 48,273.11 × 19,065.18
  4. Step 4: Simplify right side
    34,980.73x = 920,335,194.62
  5. Step 5: Solve for x
    x = 920,335,194.62/34,980.73
  6. Step 6: Final answer
    x = 26,309.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.