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Finding the Fourth Proportional to 1.54, 2.32 and 1.32

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Solution

The fourth proportional to 1.54, 2.32 and 1.32 is: 1.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.54 : 2.32 = 1.32 : x
  2. Step 2: Convert to fraction form
    1.54/2.32 = 1.32/x
  3. Step 3: Cross multiply
    1.54x = 2.32 × 1.32
  4. Step 4: Simplify right side
    1.54x = 3.06
  5. Step 5: Solve for x
    x = 3.06/1.54
  6. Step 6: Final answer
    x = 1.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.