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Finding the Fourth Proportional to 5,919.67, 8,875.10 and 2,797.90

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Solution

The fourth proportional to 5,919.67, 8,875.10 and 2,797.90 is: 4,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.67 : 8,875.10 = 2,797.90 : x
  2. Step 2: Convert to fraction form
    5,919.67/8,875.10 = 2,797.90/x
  3. Step 3: Cross multiply
    5,919.67x = 8,875.10 × 2,797.90
  4. Step 4: Simplify right side
    5,919.67x = 24,831,642.29
  5. Step 5: Solve for x
    x = 24,831,642.29/5,919.67
  6. Step 6: Final answer
    x = 4,194.77

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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.