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Finding the Fourth Proportional to 7,093.31, 9,789.98 and 4,110.98

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Solution

The fourth proportional to 7,093.31, 9,789.98 and 4,110.98 is: 5,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.31 : 9,789.98 = 4,110.98 : x
  2. Step 2: Convert to fraction form
    7,093.31/9,789.98 = 4,110.98/x
  3. Step 3: Cross multiply
    7,093.31x = 9,789.98 × 4,110.98
  4. Step 4: Simplify right side
    7,093.31x = 40,246,342.48
  5. Step 5: Solve for x
    x = 40,246,342.48/7,093.31
  6. Step 6: Final answer
    x = 5,673.85

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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.