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Finding the Fourth Proportional to 37.63, 56.44 and 14.79

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Solution

The fourth proportional to 37.63, 56.44 and 14.79 is: 22.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.63 : 56.44 = 14.79 : x
  2. Step 2: Convert to fraction form
    37.63/56.44 = 14.79/x
  3. Step 3: Cross multiply
    37.63x = 56.44 × 14.79
  4. Step 4: Simplify right side
    37.63x = 834.75
  5. Step 5: Solve for x
    x = 834.75/37.63
  6. Step 6: Final answer
    x = 22.18

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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.