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Finding the Fourth Proportional to 7,793.91, 10,755.92 and 4,437.31

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Solution

The fourth proportional to 7,793.91, 10,755.92 and 4,437.31 is: 6,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.91 : 10,755.92 = 4,437.31 : x
  2. Step 2: Convert to fraction form
    7,793.91/10,755.92 = 4,437.31/x
  3. Step 3: Cross multiply
    7,793.91x = 10,755.92 × 4,437.31
  4. Step 4: Simplify right side
    7,793.91x = 47,727,351.38
  5. Step 5: Solve for x
    x = 47,727,351.38/7,793.91
  6. Step 6: Final answer
    x = 6,123.67

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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.