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Finding the Fourth Proportional to 38.73, 53.46 and 24.93

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Solution

The fourth proportional to 38.73, 53.46 and 24.93 is: 34.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.73 : 53.46 = 24.93 : x
  2. Step 2: Convert to fraction form
    38.73/53.46 = 24.93/x
  3. Step 3: Cross multiply
    38.73x = 53.46 × 24.93
  4. Step 4: Simplify right side
    38.73x = 1,332.76
  5. Step 5: Solve for x
    x = 1,332.76/38.73
  6. Step 6: Final answer
    x = 34.41

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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.