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Finding the Fourth Proportional to 6,200.74, 8,553.61 and 3,927.92

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Solution

The fourth proportional to 6,200.74, 8,553.61 and 3,927.92 is: 5,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.74 : 8,553.61 = 3,927.92 : x
  2. Step 2: Convert to fraction form
    6,200.74/8,553.61 = 3,927.92/x
  3. Step 3: Cross multiply
    6,200.74x = 8,553.61 × 3,927.92
  4. Step 4: Simplify right side
    6,200.74x = 33,597,887.51
  5. Step 5: Solve for x
    x = 33,597,887.51/6,200.74
  6. Step 6: Final answer
    x = 5,418.37

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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.