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Finding the Fourth Proportional to 4,787.73, 7,174.65 and 3,305.43

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Solution

The fourth proportional to 4,787.73, 7,174.65 and 3,305.43 is: 4,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.73 : 7,174.65 = 3,305.43 : x
  2. Step 2: Convert to fraction form
    4,787.73/7,174.65 = 3,305.43/x
  3. Step 3: Cross multiply
    4,787.73x = 7,174.65 × 3,305.43
  4. Step 4: Simplify right side
    4,787.73x = 23,715,303.35
  5. Step 5: Solve for x
    x = 23,715,303.35/4,787.73
  6. Step 6: Final answer
    x = 4,953.35

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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.