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Finding the Fourth Proportional to 63.53, 95.16 and 61.51

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Solution

The fourth proportional to 63.53, 95.16 and 61.51 is: 92.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.53 : 95.16 = 61.51 : x
  2. Step 2: Convert to fraction form
    63.53/95.16 = 61.51/x
  3. Step 3: Cross multiply
    63.53x = 95.16 × 61.51
  4. Step 4: Simplify right side
    63.53x = 5,853.29
  5. Step 5: Solve for x
    x = 5,853.29/63.53
  6. Step 6: Final answer
    x = 92.13

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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.