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Finding the Fourth Proportional to 73,396.72, 110,112.36 and 26,650

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Solution

The fourth proportional to 73,396.72, 110,112.36 and 26,650 is: 39,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396.72 : 110,112.36 = 26,650 : x
  2. Step 2: Convert to fraction form
    73,396.72/110,112.36 = 26,650/x
  3. Step 3: Cross multiply
    73,396.72x = 110,112.36 × 26,650
  4. Step 4: Simplify right side
    73,396.72x = 2,934,494,394
  5. Step 5: Solve for x
    x = 2,934,494,394/73,396.72
  6. Step 6: Final answer
    x = 39,981.27

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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.