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Finding the Fourth Proportional to 2,657.87, 3,667.94 and 1,479.02

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Solution

The fourth proportional to 2,657.87, 3,667.94 and 1,479.02 is: 2,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.87 : 3,667.94 = 1,479.02 : x
  2. Step 2: Convert to fraction form
    2,657.87/3,667.94 = 1,479.02/x
  3. Step 3: Cross multiply
    2,657.87x = 3,667.94 × 1,479.02
  4. Step 4: Simplify right side
    2,657.87x = 5,424,956.62
  5. Step 5: Solve for x
    x = 5,424,956.62/2,657.87
  6. Step 6: Final answer
    x = 2,041.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.