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Finding the Fourth Proportional to 22,839.78, 34,254.97 and 8,794.99

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Solution

The fourth proportional to 22,839.78, 34,254.97 and 8,794.99 is: 13,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.78 : 34,254.97 = 8,794.99 : x
  2. Step 2: Convert to fraction form
    22,839.78/34,254.97 = 8,794.99/x
  3. Step 3: Cross multiply
    22,839.78x = 34,254.97 × 8,794.99
  4. Step 4: Simplify right side
    22,839.78x = 301,272,139.43
  5. Step 5: Solve for x
    x = 301,272,139.43/22,839.78
  6. Step 6: Final answer
    x = 13,190.67

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1.5x scale

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.