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Finding the Fourth Proportional to 48.02, 66.24 and 34.24

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Solution

The fourth proportional to 48.02, 66.24 and 34.24 is: 47.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.02 : 66.24 = 34.24 : x
  2. Step 2: Convert to fraction form
    48.02/66.24 = 34.24/x
  3. Step 3: Cross multiply
    48.02x = 66.24 × 34.24
  4. Step 4: Simplify right side
    48.02x = 2,268.06
  5. Step 5: Solve for x
    x = 2,268.06/48.02
  6. Step 6: Final answer
    x = 47.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.