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Finding the Fourth Proportional to 45.37, 62.50 and 43.27

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Solution

The fourth proportional to 45.37, 62.50 and 43.27 is: 59.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.37 : 62.50 = 43.27 : x
  2. Step 2: Convert to fraction form
    45.37/62.50 = 43.27/x
  3. Step 3: Cross multiply
    45.37x = 62.50 × 43.27
  4. Step 4: Simplify right side
    45.37x = 2,704.38
  5. Step 5: Solve for x
    x = 2,704.38/45.37
  6. Step 6: Final answer
    x = 59.61

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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.