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Finding the Fourth Proportional to 44.79, 67.18 and 14.35

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Solution

The fourth proportional to 44.79, 67.18 and 14.35 is: 21.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.79 : 67.18 = 14.35 : x
  2. Step 2: Convert to fraction form
    44.79/67.18 = 14.35/x
  3. Step 3: Cross multiply
    44.79x = 67.18 × 14.35
  4. Step 4: Simplify right side
    44.79x = 963.70
  5. Step 5: Solve for x
    x = 963.70/44.79
  6. Step 6: Final answer
    x = 21.52

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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.