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Finding the Fourth Proportional to 22,362.85, 33,542.34 and 7,571.44

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Solution

The fourth proportional to 22,362.85, 33,542.34 and 7,571.44 is: 11,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.85 : 33,542.34 = 7,571.44 : x
  2. Step 2: Convert to fraction form
    22,362.85/33,542.34 = 7,571.44/x
  3. Step 3: Cross multiply
    22,362.85x = 33,542.34 × 7,571.44
  4. Step 4: Simplify right side
    22,362.85x = 253,963,814.77
  5. Step 5: Solve for x
    x = 253,963,814.77/22,362.85
  6. Step 6: Final answer
    x = 11,356.50

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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.