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Finding the Fourth Proportional to 46.96, 70.45 and 24.14

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Solution

The fourth proportional to 46.96, 70.45 and 24.14 is: 36.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.96 : 70.45 = 24.14 : x
  2. Step 2: Convert to fraction form
    46.96/70.45 = 24.14/x
  3. Step 3: Cross multiply
    46.96x = 70.45 × 24.14
  4. Step 4: Simplify right side
    46.96x = 1,700.78
  5. Step 5: Solve for x
    x = 1,700.78/46.96
  6. Step 6: Final answer
    x = 36.22

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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.