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Finding the Fourth Proportional to 37.28, 55.86 and 32.48

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Solution

The fourth proportional to 37.28, 55.86 and 32.48 is: 48.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.28 : 55.86 = 32.48 : x
  2. Step 2: Convert to fraction form
    37.28/55.86 = 32.48/x
  3. Step 3: Cross multiply
    37.28x = 55.86 × 32.48
  4. Step 4: Simplify right side
    37.28x = 1,814.33
  5. Step 5: Solve for x
    x = 1,814.33/37.28
  6. Step 6: Final answer
    x = 48.67

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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.