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Finding the Fourth Proportional to 62.23, 93.38 and 37.87

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Solution

The fourth proportional to 62.23, 93.38 and 37.87 is: 56.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.23 : 93.38 = 37.87 : x
  2. Step 2: Convert to fraction form
    62.23/93.38 = 37.87/x
  3. Step 3: Cross multiply
    62.23x = 93.38 × 37.87
  4. Step 4: Simplify right side
    62.23x = 3,535.83
  5. Step 5: Solve for x
    x = 3,535.83/62.23
  6. Step 6: Final answer
    x = 56.82

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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.