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Finding the Fourth Proportional to 46.91, 70.37 and 14.84

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Solution

The fourth proportional to 46.91, 70.37 and 14.84 is: 22.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.91 : 70.37 = 14.84 : x
  2. Step 2: Convert to fraction form
    46.91/70.37 = 14.84/x
  3. Step 3: Cross multiply
    46.91x = 70.37 × 14.84
  4. Step 4: Simplify right side
    46.91x = 1,044.29
  5. Step 5: Solve for x
    x = 1,044.29/46.91
  6. Step 6: Final answer
    x = 22.26

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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.