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Finding the Fourth Proportional to 7,086.92, 10,625.10 and 4,889.48

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Solution

The fourth proportional to 7,086.92, 10,625.10 and 4,889.48 is: 7,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.92 : 10,625.10 = 4,889.48 : x
  2. Step 2: Convert to fraction form
    7,086.92/10,625.10 = 4,889.48/x
  3. Step 3: Cross multiply
    7,086.92x = 10,625.10 × 4,889.48
  4. Step 4: Simplify right side
    7,086.92x = 51,951,213.95
  5. Step 5: Solve for x
    x = 51,951,213.95/7,086.92
  6. Step 6: Final answer
    x = 7,330.58

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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.