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Finding the Fourth Proportional to 63.36, 94.95 and 48.14

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Solution

The fourth proportional to 63.36, 94.95 and 48.14 is: 72.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.36 : 94.95 = 48.14 : x
  2. Step 2: Convert to fraction form
    63.36/94.95 = 48.14/x
  3. Step 3: Cross multiply
    63.36x = 94.95 × 48.14
  4. Step 4: Simplify right side
    63.36x = 4,570.42
  5. Step 5: Solve for x
    x = 4,570.42/63.36
  6. Step 6: Final answer
    x = 72.13

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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.