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Finding the Fourth Proportional to 14.59, 20.27 and 14.46

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Solution

The fourth proportional to 14.59, 20.27 and 14.46 is: 20.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.59 : 20.27 = 14.46 : x
  2. Step 2: Convert to fraction form
    14.59/20.27 = 14.46/x
  3. Step 3: Cross multiply
    14.59x = 20.27 × 14.46
  4. Step 4: Simplify right side
    14.59x = 292.93
  5. Step 5: Solve for x
    x = 292.93/14.59
  6. Step 6: Final answer
    x = 20.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.