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Finding the Fourth Proportional to 46.73, 70.00 and 40.88

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Solution

The fourth proportional to 46.73, 70.00 and 40.88 is: 61.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.73 : 70.00 = 40.88 : x
  2. Step 2: Convert to fraction form
    46.73/70.00 = 40.88/x
  3. Step 3: Cross multiply
    46.73x = 70.00 × 40.88
  4. Step 4: Simplify right side
    46.73x = 2,861.67
  5. Step 5: Solve for x
    x = 2,861.67/46.73
  6. Step 6: Final answer
    x = 61.24

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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.