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Finding the Fourth Proportional to 71.14, 98.06 and 46.53

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Solution

The fourth proportional to 71.14, 98.06 and 46.53 is: 64.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.14 : 98.06 = 46.53 : x
  2. Step 2: Convert to fraction form
    71.14/98.06 = 46.53/x
  3. Step 3: Cross multiply
    71.14x = 98.06 × 46.53
  4. Step 4: Simplify right side
    71.14x = 4,562.73
  5. Step 5: Solve for x
    x = 4,562.73/71.14
  6. Step 6: Final answer
    x = 64.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.