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Finding the Fourth Proportional to 37.66, 56.46 and 14.82

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Solution

The fourth proportional to 37.66, 56.46 and 14.82 is: 22.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.66 : 56.46 = 14.82 : x
  2. Step 2: Convert to fraction form
    37.66/56.46 = 14.82/x
  3. Step 3: Cross multiply
    37.66x = 56.46 × 14.82
  4. Step 4: Simplify right side
    37.66x = 836.90
  5. Step 5: Solve for x
    x = 836.90/37.66
  6. Step 6: Final answer
    x = 22.22

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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.