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Finding the Fourth Proportional to 8,448.33, 11,658.63 and 4,722.33

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Solution

The fourth proportional to 8,448.33, 11,658.63 and 4,722.33 is: 6,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.33 : 11,658.63 = 4,722.33 : x
  2. Step 2: Convert to fraction form
    8,448.33/11,658.63 = 4,722.33/x
  3. Step 3: Cross multiply
    8,448.33x = 11,658.63 × 4,722.33
  4. Step 4: Simplify right side
    8,448.33x = 55,055,898.21
  5. Step 5: Solve for x
    x = 55,055,898.21/8,448.33
  6. Step 6: Final answer
    x = 6,516.78

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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.