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Finding the Fourth Proportional to 53.58, 80.29 and 24.68

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Solution

The fourth proportional to 53.58, 80.29 and 24.68 is: 36.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.58 : 80.29 = 24.68 : x
  2. Step 2: Convert to fraction form
    53.58/80.29 = 24.68/x
  3. Step 3: Cross multiply
    53.58x = 80.29 × 24.68
  4. Step 4: Simplify right side
    53.58x = 1,981.56
  5. Step 5: Solve for x
    x = 1,981.56/53.58
  6. Step 6: Final answer
    x = 36.98

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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.