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Finding the Fourth Proportional to 9,891.56, 14,826.91 and 6,770.73

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Solution

The fourth proportional to 9,891.56, 14,826.91 and 6,770.73 is: 10,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.56 : 14,826.91 = 6,770.73 : x
  2. Step 2: Convert to fraction form
    9,891.56/14,826.91 = 6,770.73/x
  3. Step 3: Cross multiply
    9,891.56x = 14,826.91 × 6,770.73
  4. Step 4: Simplify right side
    9,891.56x = 100,389,004.34
  5. Step 5: Solve for x
    x = 100,389,004.34/9,891.56
  6. Step 6: Final answer
    x = 10,148.96

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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.