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Finding the Fourth Proportional to 33, 45.26 and 32.16

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Solution

The fourth proportional to 33, 45.26 and 32.16 is: 44.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 45.26 = 32.16 : x
  2. Step 2: Convert to fraction form
    33/45.26 = 32.16/x
  3. Step 3: Cross multiply
    33x = 45.26 × 32.16
  4. Step 4: Simplify right side
    33x = 1,455.56
  5. Step 5: Solve for x
    x = 1,455.56/33
  6. Step 6: Final answer
    x = 44.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.