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Finding the Fourth Proportional to 63.63, 95.33 and 56.23

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Solution

The fourth proportional to 63.63, 95.33 and 56.23 is: 84.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.63 : 95.33 = 56.23 : x
  2. Step 2: Convert to fraction form
    63.63/95.33 = 56.23/x
  3. Step 3: Cross multiply
    63.63x = 95.33 × 56.23
  4. Step 4: Simplify right side
    63.63x = 5,360.41
  5. Step 5: Solve for x
    x = 5,360.41/63.63
  6. Step 6: Final answer
    x = 84.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.