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Finding the Fourth Proportional to 24.35, 36.60 and 14.75

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Solution

The fourth proportional to 24.35, 36.60 and 14.75 is: 22.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.35 : 36.60 = 14.75 : x
  2. Step 2: Convert to fraction form
    24.35/36.60 = 14.75/x
  3. Step 3: Cross multiply
    24.35x = 36.60 × 14.75
  4. Step 4: Simplify right side
    24.35x = 539.67
  5. Step 5: Solve for x
    x = 539.67/24.35
  6. Step 6: Final answer
    x = 22.17

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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.