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Finding the Fourth Proportional to 63.58, 95.16 and 62.86

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Solution

The fourth proportional to 63.58, 95.16 and 62.86 is: 94.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.58 : 95.16 = 62.86 : x
  2. Step 2: Convert to fraction form
    63.58/95.16 = 62.86/x
  3. Step 3: Cross multiply
    63.58x = 95.16 × 62.86
  4. Step 4: Simplify right side
    63.58x = 5,981.76
  5. Step 5: Solve for x
    x = 5,981.76/63.58
  6. Step 6: Final answer
    x = 94.08

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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.