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Finding the Fourth Proportional to 57.93, 79.95 and 33.36

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Solution

The fourth proportional to 57.93, 79.95 and 33.36 is: 46.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.93 : 79.95 = 33.36 : x
  2. Step 2: Convert to fraction form
    57.93/79.95 = 33.36/x
  3. Step 3: Cross multiply
    57.93x = 79.95 × 33.36
  4. Step 4: Simplify right side
    57.93x = 2,667.13
  5. Step 5: Solve for x
    x = 2,667.13/57.93
  6. Step 6: Final answer
    x = 46.04

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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.