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Finding the Fourth Proportional to 50,396.76, 75,579.76 and 17,109.42

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Solution

The fourth proportional to 50,396.76, 75,579.76 and 17,109.42 is: 25,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,396.76 : 75,579.76 = 17,109.42 : x
  2. Step 2: Convert to fraction form
    50,396.76/75,579.76 = 17,109.42/x
  3. Step 3: Cross multiply
    50,396.76x = 75,579.76 × 17,109.42
  4. Step 4: Simplify right side
    50,396.76x = 1,293,125,857.34
  5. Step 5: Solve for x
    x = 1,293,125,857.34/50,396.76
  6. Step 6: Final answer
    x = 25,658.91

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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.