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Finding the Fourth Proportional to 4,473.79, 6,698.31 and 3,374.83

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Solution

The fourth proportional to 4,473.79, 6,698.31 and 3,374.83 is: 5,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473.79 : 6,698.31 = 3,374.83 : x
  2. Step 2: Convert to fraction form
    4,473.79/6,698.31 = 3,374.83/x
  3. Step 3: Cross multiply
    4,473.79x = 6,698.31 × 3,374.83
  4. Step 4: Simplify right side
    4,473.79x = 22,605,657.54
  5. Step 5: Solve for x
    x = 22,605,657.54/4,473.79
  6. Step 6: Final answer
    x = 5,052.91

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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.