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Finding the Fourth Proportional to 60.92, 91.44 and 52.94

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Solution

The fourth proportional to 60.92, 91.44 and 52.94 is: 79.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.92 : 91.44 = 52.94 : x
  2. Step 2: Convert to fraction form
    60.92/91.44 = 52.94/x
  3. Step 3: Cross multiply
    60.92x = 91.44 × 52.94
  4. Step 4: Simplify right side
    60.92x = 4,840.83
  5. Step 5: Solve for x
    x = 4,840.83/60.92
  6. Step 6: Final answer
    x = 79.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.