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Finding the Fourth Proportional to 2.93, 4.39 and 2.59

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Solution

The fourth proportional to 2.93, 4.39 and 2.59 is: 3.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.93 : 4.39 = 2.59 : x
  2. Step 2: Convert to fraction form
    2.93/4.39 = 2.59/x
  3. Step 3: Cross multiply
    2.93x = 4.39 × 2.59
  4. Step 4: Simplify right side
    2.93x = 11.35
  5. Step 5: Solve for x
    x = 11.35/2.93
  6. Step 6: Final answer
    x = 3.88

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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.