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Finding the Fourth Proportional to 52.94, 72.96 and 44.16

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Solution

The fourth proportional to 52.94, 72.96 and 44.16 is: 60.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.94 : 72.96 = 44.16 : x
  2. Step 2: Convert to fraction form
    52.94/72.96 = 44.16/x
  3. Step 3: Cross multiply
    52.94x = 72.96 × 44.16
  4. Step 4: Simplify right side
    52.94x = 3,221.91
  5. Step 5: Solve for x
    x = 3,221.91/52.94
  6. Step 6: Final answer
    x = 60.86

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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.