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Finding the Fourth Proportional to 8,398.10, 12,598.50 and 2,850.86

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Solution

The fourth proportional to 8,398.10, 12,598.50 and 2,850.86 is: 4,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.10 : 12,598.50 = 2,850.86 : x
  2. Step 2: Convert to fraction form
    8,398.10/12,598.50 = 2,850.86/x
  3. Step 3: Cross multiply
    8,398.10x = 12,598.50 × 2,850.86
  4. Step 4: Simplify right side
    8,398.10x = 35,916,489.59
  5. Step 5: Solve for x
    x = 35,916,489.59/8,398.10
  6. Step 6: Final answer
    x = 4,276.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.