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Finding the Fourth Proportional to 61.46, 92.26 and 46.98

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Solution

The fourth proportional to 61.46, 92.26 and 46.98 is: 70.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.46 : 92.26 = 46.98 : x
  2. Step 2: Convert to fraction form
    61.46/92.26 = 46.98/x
  3. Step 3: Cross multiply
    61.46x = 92.26 × 46.98
  4. Step 4: Simplify right side
    61.46x = 4,334.37
  5. Step 5: Solve for x
    x = 4,334.37/61.46
  6. Step 6: Final answer
    x = 70.52

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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.