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Finding the Fourth Proportional to 5,871.99, 8,798.09 and 2,906.48

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Solution

The fourth proportional to 5,871.99, 8,798.09 and 2,906.48 is: 4,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.99 : 8,798.09 = 2,906.48 : x
  2. Step 2: Convert to fraction form
    5,871.99/8,798.09 = 2,906.48/x
  3. Step 3: Cross multiply
    5,871.99x = 8,798.09 × 2,906.48
  4. Step 4: Simplify right side
    5,871.99x = 25,571,480.09
  5. Step 5: Solve for x
    x = 25,571,480.09/5,871.99
  6. Step 6: Final answer
    x = 4,354.82

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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.