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Finding the Fourth Proportional to 14.58, 20.06 and 14.04

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Solution

The fourth proportional to 14.58, 20.06 and 14.04 is: 19.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.58 : 20.06 = 14.04 : x
  2. Step 2: Convert to fraction form
    14.58/20.06 = 14.04/x
  3. Step 3: Cross multiply
    14.58x = 20.06 × 14.04
  4. Step 4: Simplify right side
    14.58x = 281.64
  5. Step 5: Solve for x
    x = 281.64/14.58
  6. Step 6: Final answer
    x = 19.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.