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Finding the Fourth Proportional to 5,859.90, 8,791.38 and 2,573.64

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Solution

The fourth proportional to 5,859.90, 8,791.38 and 2,573.64 is: 3,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.90 : 8,791.38 = 2,573.64 : x
  2. Step 2: Convert to fraction form
    5,859.90/8,791.38 = 2,573.64/x
  3. Step 3: Cross multiply
    5,859.90x = 8,791.38 × 2,573.64
  4. Step 4: Simplify right side
    5,859.90x = 22,625,847.22
  5. Step 5: Solve for x
    x = 22,625,847.22/5,859.90
  6. Step 6: Final answer
    x = 3,861.13

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1.5x scale

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.