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Finding the Fourth Proportional to 3.66, 5.02 and 3.48

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Solution

The fourth proportional to 3.66, 5.02 and 3.48 is: 4.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.66 : 5.02 = 3.48 : x
  2. Step 2: Convert to fraction form
    3.66/5.02 = 3.48/x
  3. Step 3: Cross multiply
    3.66x = 5.02 × 3.48
  4. Step 4: Simplify right side
    3.66x = 17.47
  5. Step 5: Solve for x
    x = 17.47/3.66
  6. Step 6: Final answer
    x = 4.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.