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Finding the Fourth Proportional to 67.52, 101.27 and 29.00

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Solution

The fourth proportional to 67.52, 101.27 and 29.00 is: 43.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.52 : 101.27 = 29.00 : x
  2. Step 2: Convert to fraction form
    67.52/101.27 = 29.00/x
  3. Step 3: Cross multiply
    67.52x = 101.27 × 29.00
  4. Step 4: Simplify right side
    67.52x = 2,936.40
  5. Step 5: Solve for x
    x = 2,936.40/67.52
  6. Step 6: Final answer
    x = 43.49

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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.