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Finding the Fourth Proportional to 41.63, 57.07 and 41.16

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Solution

The fourth proportional to 41.63, 57.07 and 41.16 is: 56.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.63 : 57.07 = 41.16 : x
  2. Step 2: Convert to fraction form
    41.63/57.07 = 41.16/x
  3. Step 3: Cross multiply
    41.63x = 57.07 × 41.16
  4. Step 4: Simplify right side
    41.63x = 2,349.00
  5. Step 5: Solve for x
    x = 2,349.00/41.63
  6. Step 6: Final answer
    x = 56.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.