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Finding the Fourth Proportional to 22,157.79, 33,229.53 and 7,362.74

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Solution

The fourth proportional to 22,157.79, 33,229.53 and 7,362.74 is: 11,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.79 : 33,229.53 = 7,362.74 : x
  2. Step 2: Convert to fraction form
    22,157.79/33,229.53 = 7,362.74/x
  3. Step 3: Cross multiply
    22,157.79x = 33,229.53 × 7,362.74
  4. Step 4: Simplify right side
    22,157.79x = 244,660,223.56
  5. Step 5: Solve for x
    x = 244,660,223.56/22,157.79
  6. Step 6: Final answer
    x = 11,041.72

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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.