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Finding the Fourth Proportional to 33.60, 50 and 33.24

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Solution

The fourth proportional to 33.60, 50 and 33.24 is: 49.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.60 : 50 = 33.24 : x
  2. Step 2: Convert to fraction form
    33.60/50 = 33.24/x
  3. Step 3: Cross multiply
    33.60x = 50 × 33.24
  4. Step 4: Simplify right side
    33.60x = 1,662
  5. Step 5: Solve for x
    x = 1,662/33.60
  6. Step 6: Final answer
    x = 49.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.