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Finding the Fourth Proportional to 52.28, 72.06 and 44.99

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Solution

The fourth proportional to 52.28, 72.06 and 44.99 is: 62.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.28 : 72.06 = 44.99 : x
  2. Step 2: Convert to fraction form
    52.28/72.06 = 44.99/x
  3. Step 3: Cross multiply
    52.28x = 72.06 × 44.99
  4. Step 4: Simplify right side
    52.28x = 3,241.98
  5. Step 5: Solve for x
    x = 3,241.98/52.28
  6. Step 6: Final answer
    x = 62.01

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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.