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Finding the Fourth Proportional to 3,856.92, 5,788.35 and 2,008.50

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Solution

The fourth proportional to 3,856.92, 5,788.35 and 2,008.50 is: 3,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.92 : 5,788.35 = 2,008.50 : x
  2. Step 2: Convert to fraction form
    3,856.92/5,788.35 = 2,008.50/x
  3. Step 3: Cross multiply
    3,856.92x = 5,788.35 × 2,008.50
  4. Step 4: Simplify right side
    3,856.92x = 11,625,900.98
  5. Step 5: Solve for x
    x = 11,625,900.98/3,856.92
  6. Step 6: Final answer
    x = 3,014.30

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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.