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Finding the Fourth Proportional to 4,654.73, 6,983.62 and 1,879.98

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Solution

The fourth proportional to 4,654.73, 6,983.62 and 1,879.98 is: 2,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.73 : 6,983.62 = 1,879.98 : x
  2. Step 2: Convert to fraction form
    4,654.73/6,983.62 = 1,879.98/x
  3. Step 3: Cross multiply
    4,654.73x = 6,983.62 × 1,879.98
  4. Step 4: Simplify right side
    4,654.73x = 13,129,035.04
  5. Step 5: Solve for x
    x = 13,129,035.04/4,654.73
  6. Step 6: Final answer
    x = 2,820.58

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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.