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Finding the Fourth Proportional to 57.94, 79.98 and 44.98

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Solution

The fourth proportional to 57.94, 79.98 and 44.98 is: 62.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.94 : 79.98 = 44.98 : x
  2. Step 2: Convert to fraction form
    57.94/79.98 = 44.98/x
  3. Step 3: Cross multiply
    57.94x = 79.98 × 44.98
  4. Step 4: Simplify right side
    57.94x = 3,597.50
  5. Step 5: Solve for x
    x = 3,597.50/57.94
  6. Step 6: Final answer
    x = 62.09

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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.