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Finding the Fourth Proportional to 8,448.94, 12,653.97 and 6,744.70

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Solution

The fourth proportional to 8,448.94, 12,653.97 and 6,744.70 is: 10,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.94 : 12,653.97 = 6,744.70 : x
  2. Step 2: Convert to fraction form
    8,448.94/12,653.97 = 6,744.70/x
  3. Step 3: Cross multiply
    8,448.94x = 12,653.97 × 6,744.70
  4. Step 4: Simplify right side
    8,448.94x = 85,347,231.46
  5. Step 5: Solve for x
    x = 85,347,231.46/8,448.94
  6. Step 6: Final answer
    x = 10,101.53

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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.