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Finding the Fourth Proportional to 57.67, 79.54 and 46.02

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Solution

The fourth proportional to 57.67, 79.54 and 46.02 is: 63.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.67 : 79.54 = 46.02 : x
  2. Step 2: Convert to fraction form
    57.67/79.54 = 46.02/x
  3. Step 3: Cross multiply
    57.67x = 79.54 × 46.02
  4. Step 4: Simplify right side
    57.67x = 3,660.49
  5. Step 5: Solve for x
    x = 3,660.49/57.67
  6. Step 6: Final answer
    x = 63.47

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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.