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Finding the Fourth Proportional to 3.33, 4.99 and 1.52

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Solution

The fourth proportional to 3.33, 4.99 and 1.52 is: 2.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.33 : 4.99 = 1.52 : x
  2. Step 2: Convert to fraction form
    3.33/4.99 = 1.52/x
  3. Step 3: Cross multiply
    3.33x = 4.99 × 1.52
  4. Step 4: Simplify right side
    3.33x = 7.60
  5. Step 5: Solve for x
    x = 7.60/3.33
  6. Step 6: Final answer
    x = 2.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.