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Finding the Fourth Proportional to 8,383.68, 12,550.32 and 5,745.60

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Solution

The fourth proportional to 8,383.68, 12,550.32 and 5,745.60 is: 8,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.68 : 12,550.32 = 5,745.60 : x
  2. Step 2: Convert to fraction form
    8,383.68/12,550.32 = 5,745.60/x
  3. Step 3: Cross multiply
    8,383.68x = 12,550.32 × 5,745.60
  4. Step 4: Simplify right side
    8,383.68x = 72,109,118.59
  5. Step 5: Solve for x
    x = 72,109,118.59/8,383.68
  6. Step 6: Final answer
    x = 8,601.13

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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.