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Finding the Fourth Proportional to 1.59, 2.38 and 1.14

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Solution

The fourth proportional to 1.59, 2.38 and 1.14 is: 1.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.59 : 2.38 = 1.14 : x
  2. Step 2: Convert to fraction form
    1.59/2.38 = 1.14/x
  3. Step 3: Cross multiply
    1.59x = 2.38 × 1.14
  4. Step 4: Simplify right side
    1.59x = 2.71
  5. Step 5: Solve for x
    x = 2.71/1.59
  6. Step 6: Final answer
    x = 1.71

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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.