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Finding the Fourth Proportional to 52.24, 72.04 and 32.84

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Solution

The fourth proportional to 52.24, 72.04 and 32.84 is: 45.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.24 : 72.04 = 32.84 : x
  2. Step 2: Convert to fraction form
    52.24/72.04 = 32.84/x
  3. Step 3: Cross multiply
    52.24x = 72.04 × 32.84
  4. Step 4: Simplify right side
    52.24x = 2,365.79
  5. Step 5: Solve for x
    x = 2,365.79/52.24
  6. Step 6: Final answer
    x = 45.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.