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Finding the Fourth Proportional to 73.85, 110.59 and 62.95

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Solution

The fourth proportional to 73.85, 110.59 and 62.95 is: 94.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.85 : 110.59 = 62.95 : x
  2. Step 2: Convert to fraction form
    73.85/110.59 = 62.95/x
  3. Step 3: Cross multiply
    73.85x = 110.59 × 62.95
  4. Step 4: Simplify right side
    73.85x = 6,962.08
  5. Step 5: Solve for x
    x = 6,962.08/73.85
  6. Step 6: Final answer
    x = 94.28

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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.