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Finding the Fourth Proportional to 11,893.92, 17,841.12 and 3,574.08

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Solution

The fourth proportional to 11,893.92, 17,841.12 and 3,574.08 is: 5,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.92 : 17,841.12 = 3,574.08 : x
  2. Step 2: Convert to fraction form
    11,893.92/17,841.12 = 3,574.08/x
  3. Step 3: Cross multiply
    11,893.92x = 17,841.12 × 3,574.08
  4. Step 4: Simplify right side
    11,893.92x = 63,765,590.17
  5. Step 5: Solve for x
    x = 63,765,590.17/11,893.92
  6. Step 6: Final answer
    x = 5,361.19

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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.