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Finding the Fourth Proportional to 37.35, 56.16 and 34.86

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Solution

The fourth proportional to 37.35, 56.16 and 34.86 is: 52.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.35 : 56.16 = 34.86 : x
  2. Step 2: Convert to fraction form
    37.35/56.16 = 34.86/x
  3. Step 3: Cross multiply
    37.35x = 56.16 × 34.86
  4. Step 4: Simplify right side
    37.35x = 1,957.74
  5. Step 5: Solve for x
    x = 1,957.74/37.35
  6. Step 6: Final answer
    x = 52.42

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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.