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Finding the Fourth Proportional to 96.41, 133.00 and 57.04

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Solution

The fourth proportional to 96.41, 133.00 and 57.04 is: 78.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.41 : 133.00 = 57.04 : x
  2. Step 2: Convert to fraction form
    96.41/133.00 = 57.04/x
  3. Step 3: Cross multiply
    96.41x = 133.00 × 57.04
  4. Step 4: Simplify right side
    96.41x = 7,585.84
  5. Step 5: Solve for x
    x = 7,585.84/96.41
  6. Step 6: Final answer
    x = 78.68

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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.