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Finding the Fourth Proportional to 41.76, 57.59 and 35.63

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Solution

The fourth proportional to 41.76, 57.59 and 35.63 is: 49.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.76 : 57.59 = 35.63 : x
  2. Step 2: Convert to fraction form
    41.76/57.59 = 35.63/x
  3. Step 3: Cross multiply
    41.76x = 57.59 × 35.63
  4. Step 4: Simplify right side
    41.76x = 2,051.47
  5. Step 5: Solve for x
    x = 2,051.47/41.76
  6. Step 6: Final answer
    x = 49.13

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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.