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Finding the Fourth Proportional to 5,809.92, 8,709.98 and 2,520.54

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Solution

The fourth proportional to 5,809.92, 8,709.98 and 2,520.54 is: 3,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.92 : 8,709.98 = 2,520.54 : x
  2. Step 2: Convert to fraction form
    5,809.92/8,709.98 = 2,520.54/x
  3. Step 3: Cross multiply
    5,809.92x = 8,709.98 × 2,520.54
  4. Step 4: Simplify right side
    5,809.92x = 21,953,859.29
  5. Step 5: Solve for x
    x = 21,953,859.29/5,809.92
  6. Step 6: Final answer
    x = 3,778.69

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1.5x scale

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.