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Finding the Fourth Proportional to 17,961.10, 26,941.66 and 8,343.02

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Solution

The fourth proportional to 17,961.10, 26,941.66 and 8,343.02 is: 12,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.10 : 26,941.66 = 8,343.02 : x
  2. Step 2: Convert to fraction form
    17,961.10/26,941.66 = 8,343.02/x
  3. Step 3: Cross multiply
    17,961.10x = 26,941.66 × 8,343.02
  4. Step 4: Simplify right side
    17,961.10x = 224,774,828.56
  5. Step 5: Solve for x
    x = 224,774,828.56/17,961.10
  6. Step 6: Final answer
    x = 12,514.54

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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.