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Finding the Fourth Proportional to 20,797, 31,195.74 and 6,006.08

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Solution

The fourth proportional to 20,797, 31,195.74 and 6,006.08 is: 9,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797 : 31,195.74 = 6,006.08 : x
  2. Step 2: Convert to fraction form
    20,797/31,195.74 = 6,006.08/x
  3. Step 3: Cross multiply
    20,797x = 31,195.74 × 6,006.08
  4. Step 4: Simplify right side
    20,797x = 187,364,110.10
  5. Step 5: Solve for x
    x = 187,364,110.10/20,797
  6. Step 6: Final answer
    x = 9,009.19

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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.