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Finding the Fourth Proportional to 32.02, 47.92 and 22.35

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Solution

The fourth proportional to 32.02, 47.92 and 22.35 is: 33.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.02 : 47.92 = 22.35 : x
  2. Step 2: Convert to fraction form
    32.02/47.92 = 22.35/x
  3. Step 3: Cross multiply
    32.02x = 47.92 × 22.35
  4. Step 4: Simplify right side
    32.02x = 1,071.01
  5. Step 5: Solve for x
    x = 1,071.01/32.02
  6. Step 6: Final answer
    x = 33.45

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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.