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Finding the Fourth Proportional to 46.61, 69.80 and 29.44

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Solution

The fourth proportional to 46.61, 69.80 and 29.44 is: 44.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.61 : 69.80 = 29.44 : x
  2. Step 2: Convert to fraction form
    46.61/69.80 = 29.44/x
  3. Step 3: Cross multiply
    46.61x = 69.80 × 29.44
  4. Step 4: Simplify right side
    46.61x = 2,054.79
  5. Step 5: Solve for x
    x = 2,054.79/46.61
  6. Step 6: Final answer
    x = 44.08

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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.