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Finding the Fourth Proportional to 63.44, 94.70 and 56.24

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Solution

The fourth proportional to 63.44, 94.70 and 56.24 is: 83.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.44 : 94.70 = 56.24 : x
  2. Step 2: Convert to fraction form
    63.44/94.70 = 56.24/x
  3. Step 3: Cross multiply
    63.44x = 94.70 × 56.24
  4. Step 4: Simplify right side
    63.44x = 5,325.93
  5. Step 5: Solve for x
    x = 5,325.93/63.44
  6. Step 6: Final answer
    x = 83.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.