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Finding the Fourth Proportional to 46.91, 70.43 and 24.17

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Solution

The fourth proportional to 46.91, 70.43 and 24.17 is: 36.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.91 : 70.43 = 24.17 : x
  2. Step 2: Convert to fraction form
    46.91/70.43 = 24.17/x
  3. Step 3: Cross multiply
    46.91x = 70.43 × 24.17
  4. Step 4: Simplify right side
    46.91x = 1,701.82
  5. Step 5: Solve for x
    x = 1,701.82/46.91
  6. Step 6: Final answer
    x = 36.28

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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.