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Finding the Fourth Proportional to 7,859.92, 10,843.05 and 5,025.91

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Solution

The fourth proportional to 7,859.92, 10,843.05 and 5,025.91 is: 6,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.92 : 10,843.05 = 5,025.91 : x
  2. Step 2: Convert to fraction form
    7,859.92/10,843.05 = 5,025.91/x
  3. Step 3: Cross multiply
    7,859.92x = 10,843.05 × 5,025.91
  4. Step 4: Simplify right side
    7,859.92x = 54,496,193.43
  5. Step 5: Solve for x
    x = 54,496,193.43/7,859.92
  6. Step 6: Final answer
    x = 6,933.43

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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.