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Finding the Fourth Proportional to 22,521.52, 33,745.40 and 7,722.48

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Solution

The fourth proportional to 22,521.52, 33,745.40 and 7,722.48 is: 11,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.52 : 33,745.40 = 7,722.48 : x
  2. Step 2: Convert to fraction form
    22,521.52/33,745.40 = 7,722.48/x
  3. Step 3: Cross multiply
    22,521.52x = 33,745.40 × 7,722.48
  4. Step 4: Simplify right side
    22,521.52x = 260,598,176.59
  5. Step 5: Solve for x
    x = 260,598,176.59/22,521.52
  6. Step 6: Final answer
    x = 11,571.07

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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.