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Finding the Fourth Proportional to 3.64, 5.48 and 3.48

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Solution

The fourth proportional to 3.64, 5.48 and 3.48 is: 5.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.64 : 5.48 = 3.48 : x
  2. Step 2: Convert to fraction form
    3.64/5.48 = 3.48/x
  3. Step 3: Cross multiply
    3.64x = 5.48 × 3.48
  4. Step 4: Simplify right side
    3.64x = 19.07
  5. Step 5: Solve for x
    x = 19.07/3.64
  6. Step 6: Final answer
    x = 5.24

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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.