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Finding the Fourth Proportional to 11,894.79, 17,843.07 and 3,574.14

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Solution

The fourth proportional to 11,894.79, 17,843.07 and 3,574.14 is: 5,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.79 : 17,843.07 = 3,574.14 : x
  2. Step 2: Convert to fraction form
    11,894.79/17,843.07 = 3,574.14/x
  3. Step 3: Cross multiply
    11,894.79x = 17,843.07 × 3,574.14
  4. Step 4: Simplify right side
    11,894.79x = 63,773,630.21
  5. Step 5: Solve for x
    x = 63,773,630.21/11,894.79
  6. Step 6: Final answer
    x = 5,361.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.