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Finding the Fourth Proportional to 1,934.73, 2,902.41 and 635.76

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Solution

The fourth proportional to 1,934.73, 2,902.41 and 635.76 is: 953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.73 : 2,902.41 = 635.76 : x
  2. Step 2: Convert to fraction form
    1,934.73/2,902.41 = 635.76/x
  3. Step 3: Cross multiply
    1,934.73x = 2,902.41 × 635.76
  4. Step 4: Simplify right side
    1,934.73x = 1,845,236.18
  5. Step 5: Solve for x
    x = 1,845,236.18/1,934.73
  6. Step 6: Final answer
    x = 953.74

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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.