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Finding the Fourth Proportional to 61.35, 92.07 and 46.94

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Solution

The fourth proportional to 61.35, 92.07 and 46.94 is: 70.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.35 : 92.07 = 46.94 : x
  2. Step 2: Convert to fraction form
    61.35/92.07 = 46.94/x
  3. Step 3: Cross multiply
    61.35x = 92.07 × 46.94
  4. Step 4: Simplify right side
    61.35x = 4,321.31
  5. Step 5: Solve for x
    x = 4,321.31/61.35
  6. Step 6: Final answer
    x = 70.44

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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.