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Finding the Fourth Proportional to 33.30, 49.64 and 33

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Solution

The fourth proportional to 33.30, 49.64 and 33 is: 49.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.30 : 49.64 = 33 : x
  2. Step 2: Convert to fraction form
    33.30/49.64 = 33/x
  3. Step 3: Cross multiply
    33.30x = 49.64 × 33
  4. Step 4: Simplify right side
    33.30x = 1,638.12
  5. Step 5: Solve for x
    x = 1,638.12/33.30
  6. Step 6: Final answer
    x = 49.19

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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.