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Finding the Fourth Proportional to 37.57, 56.35 and 13.52

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Solution

The fourth proportional to 37.57, 56.35 and 13.52 is: 20.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.57 : 56.35 = 13.52 : x
  2. Step 2: Convert to fraction form
    37.57/56.35 = 13.52/x
  3. Step 3: Cross multiply
    37.57x = 56.35 × 13.52
  4. Step 4: Simplify right side
    37.57x = 761.57
  5. Step 5: Solve for x
    x = 761.57/37.57
  6. Step 6: Final answer
    x = 20.27

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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.