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Finding the Fourth Proportional to 22,738.21, 34,107.08 and 8,887.09

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Solution

The fourth proportional to 22,738.21, 34,107.08 and 8,887.09 is: 13,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.21 : 34,107.08 = 8,887.09 : x
  2. Step 2: Convert to fraction form
    22,738.21/34,107.08 = 8,887.09/x
  3. Step 3: Cross multiply
    22,738.21x = 34,107.08 × 8,887.09
  4. Step 4: Simplify right side
    22,738.21x = 303,112,689.60
  5. Step 5: Solve for x
    x = 303,112,689.60/22,738.21
  6. Step 6: Final answer
    x = 13,330.54

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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.