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Finding the Fourth Proportional to 50.56, 75.71 and 23.47

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Solution

The fourth proportional to 50.56, 75.71 and 23.47 is: 35.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.56 : 75.71 = 23.47 : x
  2. Step 2: Convert to fraction form
    50.56/75.71 = 23.47/x
  3. Step 3: Cross multiply
    50.56x = 75.71 × 23.47
  4. Step 4: Simplify right side
    50.56x = 1,776.78
  5. Step 5: Solve for x
    x = 1,776.78/50.56
  6. Step 6: Final answer
    x = 35.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.