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Finding the Fourth Proportional to 11,794.90, 17,691.12 and 4,003.51

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Solution

The fourth proportional to 11,794.90, 17,691.12 and 4,003.51 is: 6,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.90 : 17,691.12 = 4,003.51 : x
  2. Step 2: Convert to fraction form
    11,794.90/17,691.12 = 4,003.51/x
  3. Step 3: Cross multiply
    11,794.90x = 17,691.12 × 4,003.51
  4. Step 4: Simplify right side
    11,794.90x = 70,826,575.83
  5. Step 5: Solve for x
    x = 70,826,575.83/11,794.90
  6. Step 6: Final answer
    x = 6,004.85

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1.5x scale

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.