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Finding the Fourth Proportional to 5,899.44, 8,131.05 and 5,059.08

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Solution

The fourth proportional to 5,899.44, 8,131.05 and 5,059.08 is: 6,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.44 : 8,131.05 = 5,059.08 : x
  2. Step 2: Convert to fraction form
    5,899.44/8,131.05 = 5,059.08/x
  3. Step 3: Cross multiply
    5,899.44x = 8,131.05 × 5,059.08
  4. Step 4: Simplify right side
    5,899.44x = 41,135,632.43
  5. Step 5: Solve for x
    x = 41,135,632.43/5,899.44
  6. Step 6: Final answer
    x = 6,972.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.