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Finding the Fourth Proportional to 14.60, 20.06 and 13.07

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Solution

The fourth proportional to 14.60, 20.06 and 13.07 is: 17.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.60 : 20.06 = 13.07 : x
  2. Step 2: Convert to fraction form
    14.60/20.06 = 13.07/x
  3. Step 3: Cross multiply
    14.60x = 20.06 × 13.07
  4. Step 4: Simplify right side
    14.60x = 262.02
  5. Step 5: Solve for x
    x = 262.02/14.60
  6. Step 6: Final answer
    x = 17.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.