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Finding the Fourth Proportional to 5,861.64, 8,793.87 and 2,398.90

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Solution

The fourth proportional to 5,861.64, 8,793.87 and 2,398.90 is: 3,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.64 : 8,793.87 = 2,398.90 : x
  2. Step 2: Convert to fraction form
    5,861.64/8,793.87 = 2,398.90/x
  3. Step 3: Cross multiply
    5,861.64x = 8,793.87 × 2,398.90
  4. Step 4: Simplify right side
    5,861.64x = 21,095,614.74
  5. Step 5: Solve for x
    x = 21,095,614.74/5,861.64
  6. Step 6: Final answer
    x = 3,598.93

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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.