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Finding the Fourth Proportional to 7,944.03, 11,905.11 and 6,901.56

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Solution

The fourth proportional to 7,944.03, 11,905.11 and 6,901.56 is: 10,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.03 : 11,905.11 = 6,901.56 : x
  2. Step 2: Convert to fraction form
    7,944.03/11,905.11 = 6,901.56/x
  3. Step 3: Cross multiply
    7,944.03x = 11,905.11 × 6,901.56
  4. Step 4: Simplify right side
    7,944.03x = 82,163,830.97
  5. Step 5: Solve for x
    x = 82,163,830.97/7,944.03
  6. Step 6: Final answer
    x = 10,342.84

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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.