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Finding the Fourth Proportional to 8,572.94, 11,834.70 and 6,449.27

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Solution

The fourth proportional to 8,572.94, 11,834.70 and 6,449.27 is: 8,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.94 : 11,834.70 = 6,449.27 : x
  2. Step 2: Convert to fraction form
    8,572.94/11,834.70 = 6,449.27/x
  3. Step 3: Cross multiply
    8,572.94x = 11,834.70 × 6,449.27
  4. Step 4: Simplify right side
    8,572.94x = 76,325,201.72
  5. Step 5: Solve for x
    x = 76,325,201.72/8,572.94
  6. Step 6: Final answer
    x = 8,903.04

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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.