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Finding the Fourth Proportional to 57.36, 79.17 and 41.01

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Solution

The fourth proportional to 57.36, 79.17 and 41.01 is: 56.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.36 : 79.17 = 41.01 : x
  2. Step 2: Convert to fraction form
    57.36/79.17 = 41.01/x
  3. Step 3: Cross multiply
    57.36x = 79.17 × 41.01
  4. Step 4: Simplify right side
    57.36x = 3,246.76
  5. Step 5: Solve for x
    x = 3,246.76/57.36
  6. Step 6: Final answer
    x = 56.60

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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.