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Finding the Fourth Proportional to 32.92, 45.16 and 32.13

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Solution

The fourth proportional to 32.92, 45.16 and 32.13 is: 44.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.92 : 45.16 = 32.13 : x
  2. Step 2: Convert to fraction form
    32.92/45.16 = 32.13/x
  3. Step 3: Cross multiply
    32.92x = 45.16 × 32.13
  4. Step 4: Simplify right side
    32.92x = 1,450.91
  5. Step 5: Solve for x
    x = 1,450.91/32.92
  6. Step 6: Final answer
    x = 44.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.