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Finding the Fourth Proportional to 60.54, 83.44 and 48.24

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Solution

The fourth proportional to 60.54, 83.44 and 48.24 is: 66.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.54 : 83.44 = 48.24 : x
  2. Step 2: Convert to fraction form
    60.54/83.44 = 48.24/x
  3. Step 3: Cross multiply
    60.54x = 83.44 × 48.24
  4. Step 4: Simplify right side
    60.54x = 4,025.15
  5. Step 5: Solve for x
    x = 4,025.15/60.54
  6. Step 6: Final answer
    x = 66.49

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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.