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Finding the Fourth Proportional to 33.80, 46.51 and 33

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Solution

The fourth proportional to 33.80, 46.51 and 33 is: 45.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.80 : 46.51 = 33 : x
  2. Step 2: Convert to fraction form
    33.80/46.51 = 33/x
  3. Step 3: Cross multiply
    33.80x = 46.51 × 33
  4. Step 4: Simplify right side
    33.80x = 1,534.83
  5. Step 5: Solve for x
    x = 1,534.83/33.80
  6. Step 6: Final answer
    x = 45.41

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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.