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Finding the Fourth Proportional to 11,859.53, 17,789.22 and 3,094.43

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Solution

The fourth proportional to 11,859.53, 17,789.22 and 3,094.43 is: 4,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.53 : 17,789.22 = 3,094.43 : x
  2. Step 2: Convert to fraction form
    11,859.53/17,789.22 = 3,094.43/x
  3. Step 3: Cross multiply
    11,859.53x = 17,789.22 × 3,094.43
  4. Step 4: Simplify right side
    11,859.53x = 55,047,407.10
  5. Step 5: Solve for x
    x = 55,047,407.10/11,859.53
  6. Step 6: Final answer
    x = 4,641.62

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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.