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Finding the Fourth Proportional to 22,269.54, 33,408.78 and 7,277.67

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Solution

The fourth proportional to 22,269.54, 33,408.78 and 7,277.67 is: 10,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.54 : 33,408.78 = 7,277.67 : x
  2. Step 2: Convert to fraction form
    22,269.54/33,408.78 = 7,277.67/x
  3. Step 3: Cross multiply
    22,269.54x = 33,408.78 × 7,277.67
  4. Step 4: Simplify right side
    22,269.54x = 243,138,075.94
  5. Step 5: Solve for x
    x = 243,138,075.94/22,269.54
  6. Step 6: Final answer
    x = 10,917.97

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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.