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Finding the Fourth Proportional to 19,795.92, 29,691.09 and 5,003.93

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Solution

The fourth proportional to 19,795.92, 29,691.09 and 5,003.93 is: 7,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.92 : 29,691.09 = 5,003.93 : x
  2. Step 2: Convert to fraction form
    19,795.92/29,691.09 = 5,003.93/x
  3. Step 3: Cross multiply
    19,795.92x = 29,691.09 × 5,003.93
  4. Step 4: Simplify right side
    19,795.92x = 148,571,987.53
  5. Step 5: Solve for x
    x = 148,571,987.53/19,795.92
  6. Step 6: Final answer
    x = 7,505.18

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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.