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Finding the Fourth Proportional to 33.36, 46 and 23.68

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Solution

The fourth proportional to 33.36, 46 and 23.68 is: 32.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.36 : 46 = 23.68 : x
  2. Step 2: Convert to fraction form
    33.36/46 = 23.68/x
  3. Step 3: Cross multiply
    33.36x = 46 × 23.68
  4. Step 4: Simplify right side
    33.36x = 1,089.28
  5. Step 5: Solve for x
    x = 1,089.28/33.36
  6. Step 6: Final answer
    x = 32.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.