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Finding the Fourth Proportional to 6,282.70, 8,669.60 and 3,449.99

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Solution

The fourth proportional to 6,282.70, 8,669.60 and 3,449.99 is: 4,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.70 : 8,669.60 = 3,449.99 : x
  2. Step 2: Convert to fraction form
    6,282.70/8,669.60 = 3,449.99/x
  3. Step 3: Cross multiply
    6,282.70x = 8,669.60 × 3,449.99
  4. Step 4: Simplify right side
    6,282.70x = 29,910,050.67
  5. Step 5: Solve for x
    x = 29,910,050.67/6,282.70
  6. Step 6: Final answer
    x = 4,760.70

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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.