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Finding the Fourth Proportional to 46.81, 70.17 and 32.14

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Solution

The fourth proportional to 46.81, 70.17 and 32.14 is: 48.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.81 : 70.17 = 32.14 : x
  2. Step 2: Convert to fraction form
    46.81/70.17 = 32.14/x
  3. Step 3: Cross multiply
    46.81x = 70.17 × 32.14
  4. Step 4: Simplify right side
    46.81x = 2,255.26
  5. Step 5: Solve for x
    x = 2,255.26/46.81
  6. Step 6: Final answer
    x = 48.18

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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.