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Finding the Fourth Proportional to 4.93, 7.39 and 3.59

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Solution

The fourth proportional to 4.93, 7.39 and 3.59 is: 5.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.93 : 7.39 = 3.59 : x
  2. Step 2: Convert to fraction form
    4.93/7.39 = 3.59/x
  3. Step 3: Cross multiply
    4.93x = 7.39 × 3.59
  4. Step 4: Simplify right side
    4.93x = 26.53
  5. Step 5: Solve for x
    x = 26.53/4.93
  6. Step 6: Final answer
    x = 5.38

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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.