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Finding the Fourth Proportional to 1.36, 2.04 and 1.14

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Solution

The fourth proportional to 1.36, 2.04 and 1.14 is: 1.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.36 : 2.04 = 1.14 : x
  2. Step 2: Convert to fraction form
    1.36/2.04 = 1.14/x
  3. Step 3: Cross multiply
    1.36x = 2.04 × 1.14
  4. Step 4: Simplify right side
    1.36x = 2.31
  5. Step 5: Solve for x
    x = 2.31/1.36
  6. Step 6: Final answer
    x = 1.70

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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.