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Finding the Fourth Proportional to 1.52, 2.27 and 1.35

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Solution

The fourth proportional to 1.52, 2.27 and 1.35 is: 2.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.52 : 2.27 = 1.35 : x
  2. Step 2: Convert to fraction form
    1.52/2.27 = 1.35/x
  3. Step 3: Cross multiply
    1.52x = 2.27 × 1.35
  4. Step 4: Simplify right side
    1.52x = 3.06
  5. Step 5: Solve for x
    x = 3.06/1.52
  6. Step 6: Final answer
    x = 2.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.