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Finding the Fourth Proportional to 37.47, 56.17 and 13.41

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Solution

The fourth proportional to 37.47, 56.17 and 13.41 is: 20.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.47 : 56.17 = 13.41 : x
  2. Step 2: Convert to fraction form
    37.47/56.17 = 13.41/x
  3. Step 3: Cross multiply
    37.47x = 56.17 × 13.41
  4. Step 4: Simplify right side
    37.47x = 753.21
  5. Step 5: Solve for x
    x = 753.21/37.47
  6. Step 6: Final answer
    x = 20.10

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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.