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Finding the Fourth Proportional to 51.41, 71 and 44.50

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Solution

The fourth proportional to 51.41, 71 and 44.50 is: 61.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.41 : 71 = 44.50 : x
  2. Step 2: Convert to fraction form
    51.41/71 = 44.50/x
  3. Step 3: Cross multiply
    51.41x = 71 × 44.50
  4. Step 4: Simplify right side
    51.41x = 3,159.50
  5. Step 5: Solve for x
    x = 3,159.50/51.41
  6. Step 6: Final answer
    x = 61.46

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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.