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Finding the Fourth Proportional to 48.95, 73.71 and 44.16

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Solution

The fourth proportional to 48.95, 73.71 and 44.16 is: 66.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.95 : 73.71 = 44.16 : x
  2. Step 2: Convert to fraction form
    48.95/73.71 = 44.16/x
  3. Step 3: Cross multiply
    48.95x = 73.71 × 44.16
  4. Step 4: Simplify right side
    48.95x = 3,255.03
  5. Step 5: Solve for x
    x = 3,255.03/48.95
  6. Step 6: Final answer
    x = 66.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.