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Finding the Fourth Proportional to 53.34, 80.00 and 24.43

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Solution

The fourth proportional to 53.34, 80.00 and 24.43 is: 36.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.34 : 80.00 = 24.43 : x
  2. Step 2: Convert to fraction form
    53.34/80.00 = 24.43/x
  3. Step 3: Cross multiply
    53.34x = 80.00 × 24.43
  4. Step 4: Simplify right side
    53.34x = 1,954.28
  5. Step 5: Solve for x
    x = 1,954.28/53.34
  6. Step 6: Final answer
    x = 36.64

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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.