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Finding the Fourth Proportional to 32.98, 49.72 and 29.64

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Solution

The fourth proportional to 32.98, 49.72 and 29.64 is: 44.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.98 : 49.72 = 29.64 : x
  2. Step 2: Convert to fraction form
    32.98/49.72 = 29.64/x
  3. Step 3: Cross multiply
    32.98x = 49.72 × 29.64
  4. Step 4: Simplify right side
    32.98x = 1,473.70
  5. Step 5: Solve for x
    x = 1,473.70/32.98
  6. Step 6: Final answer
    x = 44.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.