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Finding the Fourth Proportional to 9,891.15, 14,826.20 and 6,770.27

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Solution

The fourth proportional to 9,891.15, 14,826.20 and 6,770.27 is: 10,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.15 : 14,826.20 = 6,770.27 : x
  2. Step 2: Convert to fraction form
    9,891.15/14,826.20 = 6,770.27/x
  3. Step 3: Cross multiply
    9,891.15x = 14,826.20 × 6,770.27
  4. Step 4: Simplify right side
    9,891.15x = 100,377,377.07
  5. Step 5: Solve for x
    x = 100,377,377.07/9,891.15
  6. Step 6: Final answer
    x = 10,148.20

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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.