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Finding the Fourth Proportional to 6,953.70, 9,596.12 and 3,809.88

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Solution

The fourth proportional to 6,953.70, 9,596.12 and 3,809.88 is: 5,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953.70 : 9,596.12 = 3,809.88 : x
  2. Step 2: Convert to fraction form
    6,953.70/9,596.12 = 3,809.88/x
  3. Step 3: Cross multiply
    6,953.70x = 9,596.12 × 3,809.88
  4. Step 4: Simplify right side
    6,953.70x = 36,560,065.67
  5. Step 5: Solve for x
    x = 36,560,065.67/6,953.70
  6. Step 6: Final answer
    x = 5,257.64

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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.