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Finding the Fourth Proportional to 18.84, 26.02 and 14.52

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Solution

The fourth proportional to 18.84, 26.02 and 14.52 is: 20.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.84 : 26.02 = 14.52 : x
  2. Step 2: Convert to fraction form
    18.84/26.02 = 14.52/x
  3. Step 3: Cross multiply
    18.84x = 26.02 × 14.52
  4. Step 4: Simplify right side
    18.84x = 377.81
  5. Step 5: Solve for x
    x = 377.81/18.84
  6. Step 6: Final answer
    x = 20.05

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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.