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Finding the Fourth Proportional to 61.50, 92.06 and 46.24

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Solution

The fourth proportional to 61.50, 92.06 and 46.24 is: 69.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.50 : 92.06 = 46.24 : x
  2. Step 2: Convert to fraction form
    61.50/92.06 = 46.24/x
  3. Step 3: Cross multiply
    61.50x = 92.06 × 46.24
  4. Step 4: Simplify right side
    61.50x = 4,256.85
  5. Step 5: Solve for x
    x = 4,256.85/61.50
  6. Step 6: Final answer
    x = 69.22

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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.