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Finding the Fourth Proportional to 50.53, 75.75 and 41.93

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Solution

The fourth proportional to 50.53, 75.75 and 41.93 is: 62.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.53 : 75.75 = 41.93 : x
  2. Step 2: Convert to fraction form
    50.53/75.75 = 41.93/x
  3. Step 3: Cross multiply
    50.53x = 75.75 × 41.93
  4. Step 4: Simplify right side
    50.53x = 3,176.20
  5. Step 5: Solve for x
    x = 3,176.20/50.53
  6. Step 6: Final answer
    x = 62.86

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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.