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Finding the Fourth Proportional to 61.94, 85.44 and 46.44

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Solution

The fourth proportional to 61.94, 85.44 and 46.44 is: 64.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.94 : 85.44 = 46.44 : x
  2. Step 2: Convert to fraction form
    61.94/85.44 = 46.44/x
  3. Step 3: Cross multiply
    61.94x = 85.44 × 46.44
  4. Step 4: Simplify right side
    61.94x = 3,967.83
  5. Step 5: Solve for x
    x = 3,967.83/61.94
  6. Step 6: Final answer
    x = 64.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.