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Finding the Fourth Proportional to 40.52, 60.75 and 14.83

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Solution

The fourth proportional to 40.52, 60.75 and 14.83 is: 22.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.52 : 60.75 = 14.83 : x
  2. Step 2: Convert to fraction form
    40.52/60.75 = 14.83/x
  3. Step 3: Cross multiply
    40.52x = 60.75 × 14.83
  4. Step 4: Simplify right side
    40.52x = 900.77
  5. Step 5: Solve for x
    x = 900.77/40.52
  6. Step 6: Final answer
    x = 22.23

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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.