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Finding the Fourth Proportional to 37.53, 56.34 and 13.50

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Solution

The fourth proportional to 37.53, 56.34 and 13.50 is: 20.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.53 : 56.34 = 13.50 : x
  2. Step 2: Convert to fraction form
    37.53/56.34 = 13.50/x
  3. Step 3: Cross multiply
    37.53x = 56.34 × 13.50
  4. Step 4: Simplify right side
    37.53x = 760.59
  5. Step 5: Solve for x
    x = 760.59/37.53
  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.