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Finding the Fourth Proportional to 32.92, 45.14 and 32.88

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Solution

The fourth proportional to 32.92, 45.14 and 32.88 is: 45.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.92 : 45.14 = 32.88 : x
  2. Step 2: Convert to fraction form
    32.92/45.14 = 32.88/x
  3. Step 3: Cross multiply
    32.92x = 45.14 × 32.88
  4. Step 4: Simplify right side
    32.92x = 1,484.21
  5. Step 5: Solve for x
    x = 1,484.21/32.92
  6. Step 6: Final answer
    x = 45.09

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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.