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Finding the Fourth Proportional to 47.04, 64.96 and 41.95

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Solution

The fourth proportional to 47.04, 64.96 and 41.95 is: 57.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.04 : 64.96 = 41.95 : x
  2. Step 2: Convert to fraction form
    47.04/64.96 = 41.95/x
  3. Step 3: Cross multiply
    47.04x = 64.96 × 41.95
  4. Step 4: Simplify right side
    47.04x = 2,724.75
  5. Step 5: Solve for x
    x = 2,724.75/47.04
  6. Step 6: Final answer
    x = 57.93

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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.