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Finding the Fourth Proportional to 6,609.42, 9,910.99 and 3,836.95

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Solution

The fourth proportional to 6,609.42, 9,910.99 and 3,836.95 is: 5,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.42 : 9,910.99 = 3,836.95 : x
  2. Step 2: Convert to fraction form
    6,609.42/9,910.99 = 3,836.95/x
  3. Step 3: Cross multiply
    6,609.42x = 9,910.99 × 3,836.95
  4. Step 4: Simplify right side
    6,609.42x = 38,027,953.10
  5. Step 5: Solve for x
    x = 38,027,953.10/6,609.42
  6. Step 6: Final answer
    x = 5,753.60

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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.