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Finding the Fourth Proportional to 1.48, 2.23 and 0.88

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Solution

The fourth proportional to 1.48, 2.23 and 0.88 is: 1.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.48 : 2.23 = 0.88 : x
  2. Step 2: Convert to fraction form
    1.48/2.23 = 0.88/x
  3. Step 3: Cross multiply
    1.48x = 2.23 × 0.88
  4. Step 4: Simplify right side
    1.48x = 1.97
  5. Step 5: Solve for x
    x = 1.97/1.48
  6. Step 6: Final answer
    x = 1.33

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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.