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Finding the Fourth Proportional to 17,374.78, 23,976.81 and 9,820.11

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Solution

The fourth proportional to 17,374.78, 23,976.81 and 9,820.11 is: 13,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.78 : 23,976.81 = 9,820.11 : x
  2. Step 2: Convert to fraction form
    17,374.78/23,976.81 = 9,820.11/x
  3. Step 3: Cross multiply
    17,374.78x = 23,976.81 × 9,820.11
  4. Step 4: Simplify right side
    17,374.78x = 235,454,791.77
  5. Step 5: Solve for x
    x = 235,454,791.77/17,374.78
  6. Step 6: Final answer
    x = 13,551.53

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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.