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Finding the Fourth Proportional to 33.02, 49.35 and 23.35

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Solution

The fourth proportional to 33.02, 49.35 and 23.35 is: 34.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.02 : 49.35 = 23.35 : x
  2. Step 2: Convert to fraction form
    33.02/49.35 = 23.35/x
  3. Step 3: Cross multiply
    33.02x = 49.35 × 23.35
  4. Step 4: Simplify right side
    33.02x = 1,152.32
  5. Step 5: Solve for x
    x = 1,152.32/33.02
  6. Step 6: Final answer
    x = 34.90

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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.