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Finding the Fourth Proportional to 46.90, 70.41 and 24.09

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Solution

The fourth proportional to 46.90, 70.41 and 24.09 is: 36.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.90 : 70.41 = 24.09 : x
  2. Step 2: Convert to fraction form
    46.90/70.41 = 24.09/x
  3. Step 3: Cross multiply
    46.90x = 70.41 × 24.09
  4. Step 4: Simplify right side
    46.90x = 1,696.33
  5. Step 5: Solve for x
    x = 1,696.33/46.90
  6. Step 6: Final answer
    x = 36.17

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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.