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Finding the Fourth Proportional to 37.25, 55.65 and 24.31

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Solution

The fourth proportional to 37.25, 55.65 and 24.31 is: 36.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.25 : 55.65 = 24.31 : x
  2. Step 2: Convert to fraction form
    37.25/55.65 = 24.31/x
  3. Step 3: Cross multiply
    37.25x = 55.65 × 24.31
  4. Step 4: Simplify right side
    37.25x = 1,352.71
  5. Step 5: Solve for x
    x = 1,352.71/37.25
  6. Step 6: Final answer
    x = 36.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.