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Finding the Fourth Proportional to 46.68, 70.01 and 14.61

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Solution

The fourth proportional to 46.68, 70.01 and 14.61 is: 21.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.68 : 70.01 = 14.61 : x
  2. Step 2: Convert to fraction form
    46.68/70.01 = 14.61/x
  3. Step 3: Cross multiply
    46.68x = 70.01 × 14.61
  4. Step 4: Simplify right side
    46.68x = 1,022.85
  5. Step 5: Solve for x
    x = 1,022.85/46.68
  6. Step 6: Final answer
    x = 21.91

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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.