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Finding the Fourth Proportional to 33.01, 45.51 and 29.35

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Solution

The fourth proportional to 33.01, 45.51 and 29.35 is: 40.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 45.51 = 29.35 : x
  2. Step 2: Convert to fraction form
    33.01/45.51 = 29.35/x
  3. Step 3: Cross multiply
    33.01x = 45.51 × 29.35
  4. Step 4: Simplify right side
    33.01x = 1,335.72
  5. Step 5: Solve for x
    x = 1,335.72/33.01
  6. Step 6: Final answer
    x = 40.46

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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.