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Finding the Fourth Proportional to 53.88, 74.25 and 44.08

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Solution

The fourth proportional to 53.88, 74.25 and 44.08 is: 60.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.88 : 74.25 = 44.08 : x
  2. Step 2: Convert to fraction form
    53.88/74.25 = 44.08/x
  3. Step 3: Cross multiply
    53.88x = 74.25 × 44.08
  4. Step 4: Simplify right side
    53.88x = 3,272.94
  5. Step 5: Solve for x
    x = 3,272.94/53.88
  6. Step 6: Final answer
    x = 60.74

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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.