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Finding the Fourth Proportional to 53.32, 79.92 and 29.24

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Solution

The fourth proportional to 53.32, 79.92 and 29.24 is: 43.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.32 : 79.92 = 29.24 : x
  2. Step 2: Convert to fraction form
    53.32/79.92 = 29.24/x
  3. Step 3: Cross multiply
    53.32x = 79.92 × 29.24
  4. Step 4: Simplify right side
    53.32x = 2,336.86
  5. Step 5: Solve for x
    x = 2,336.86/53.32
  6. Step 6: Final answer
    x = 43.83

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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.