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Finding the Fourth Proportional to 19,401, 29,098.26 and 6,920.52

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Solution

The fourth proportional to 19,401, 29,098.26 and 6,920.52 is: 10,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401 : 29,098.26 = 6,920.52 : x
  2. Step 2: Convert to fraction form
    19,401/29,098.26 = 6,920.52/x
  3. Step 3: Cross multiply
    19,401x = 29,098.26 × 6,920.52
  4. Step 4: Simplify right side
    19,401x = 201,375,090.30
  5. Step 5: Solve for x
    x = 201,375,090.30/19,401
  6. Step 6: Final answer
    x = 10,379.62

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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.