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Finding the Fourth Proportional to 2,657.96, 3,667.97 and 1,479.09

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Solution

The fourth proportional to 2,657.96, 3,667.97 and 1,479.09 is: 2,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.96 : 3,667.97 = 1,479.09 : x
  2. Step 2: Convert to fraction form
    2,657.96/3,667.97 = 1,479.09/x
  3. Step 3: Cross multiply
    2,657.96x = 3,667.97 × 1,479.09
  4. Step 4: Simplify right side
    2,657.96x = 5,425,250.35
  5. Step 5: Solve for x
    x = 5,425,250.35/2,657.96
  6. Step 6: Final answer
    x = 2,041.14

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Why These Related Problems?

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