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Finding the Fourth Proportional to 51.84, 71.72 and 44.04

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Solution

The fourth proportional to 51.84, 71.72 and 44.04 is: 60.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.84 : 71.72 = 44.04 : x
  2. Step 2: Convert to fraction form
    51.84/71.72 = 44.04/x
  3. Step 3: Cross multiply
    51.84x = 71.72 × 44.04
  4. Step 4: Simplify right side
    51.84x = 3,158.66
  5. Step 5: Solve for x
    x = 3,158.66/51.84
  6. Step 6: Final answer
    x = 60.93

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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.