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Finding the Fourth Proportional to 6,244.99, 9,321.92 and 5,456.77

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Solution

The fourth proportional to 6,244.99, 9,321.92 and 5,456.77 is: 8,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.99 : 9,321.92 = 5,456.77 : x
  2. Step 2: Convert to fraction form
    6,244.99/9,321.92 = 5,456.77/x
  3. Step 3: Cross multiply
    6,244.99x = 9,321.92 × 5,456.77
  4. Step 4: Simplify right side
    6,244.99x = 50,867,608.92
  5. Step 5: Solve for x
    x = 50,867,608.92/6,244.99
  6. Step 6: Final answer
    x = 8,145.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.