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Finding the Fourth Proportional to 37.58, 56.48 and 37.17

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Solution

The fourth proportional to 37.58, 56.48 and 37.17 is: 55.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.58 : 56.48 = 37.17 : x
  2. Step 2: Convert to fraction form
    37.58/56.48 = 37.17/x
  3. Step 3: Cross multiply
    37.58x = 56.48 × 37.17
  4. Step 4: Simplify right side
    37.58x = 2,099.18
  5. Step 5: Solve for x
    x = 2,099.18/37.58
  6. Step 6: Final answer
    x = 55.87

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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.