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Finding the Fourth Proportional to 67.44, 93.03 and 48

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Solution

The fourth proportional to 67.44, 93.03 and 48 is: 66.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.44 : 93.03 = 48 : x
  2. Step 2: Convert to fraction form
    67.44/93.03 = 48/x
  3. Step 3: Cross multiply
    67.44x = 93.03 × 48
  4. Step 4: Simplify right side
    67.44x = 4,465.44
  5. Step 5: Solve for x
    x = 4,465.44/67.44
  6. Step 6: Final answer
    x = 66.21

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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.