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Finding the Fourth Proportional to 6,365.99, 8,789.92 and 4,381.29

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Solution

The fourth proportional to 6,365.99, 8,789.92 and 4,381.29 is: 6,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.99 : 8,789.92 = 4,381.29 : x
  2. Step 2: Convert to fraction form
    6,365.99/8,789.92 = 4,381.29/x
  3. Step 3: Cross multiply
    6,365.99x = 8,789.92 × 4,381.29
  4. Step 4: Simplify right side
    6,365.99x = 38,511,177.64
  5. Step 5: Solve for x
    x = 38,511,177.64/6,365.99
  6. Step 6: Final answer
    x = 6,049.52

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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.