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Finding the Fourth Proportional to 47.26, 64.99 and 45.82

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Solution

The fourth proportional to 47.26, 64.99 and 45.82 is: 63.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.26 : 64.99 = 45.82 : x
  2. Step 2: Convert to fraction form
    47.26/64.99 = 45.82/x
  3. Step 3: Cross multiply
    47.26x = 64.99 × 45.82
  4. Step 4: Simplify right side
    47.26x = 2,977.73
  5. Step 5: Solve for x
    x = 2,977.73/47.26
  6. Step 6: Final answer
    x = 63.01

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