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Finding the Fourth Proportional to 7,859.73, 11,796.64 and 7,025.47

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Solution

The fourth proportional to 7,859.73, 11,796.64 and 7,025.47 is: 10,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.73 : 11,796.64 = 7,025.47 : x
  2. Step 2: Convert to fraction form
    7,859.73/11,796.64 = 7,025.47/x
  3. Step 3: Cross multiply
    7,859.73x = 11,796.64 × 7,025.47
  4. Step 4: Simplify right side
    7,859.73x = 82,876,893.37
  5. Step 5: Solve for x
    x = 82,876,893.37/7,859.73
  6. Step 6: Final answer
    x = 10,544.49

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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.