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Finding the Fourth Proportional to 8,083.94, 12,108.08 and 5,887.64

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Solution

The fourth proportional to 8,083.94, 12,108.08 and 5,887.64 is: 8,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.94 : 12,108.08 = 5,887.64 : x
  2. Step 2: Convert to fraction form
    8,083.94/12,108.08 = 5,887.64/x
  3. Step 3: Cross multiply
    8,083.94x = 12,108.08 × 5,887.64
  4. Step 4: Simplify right side
    8,083.94x = 71,288,016.13
  5. Step 5: Solve for x
    x = 71,288,016.13/8,083.94
  6. Step 6: Final answer
    x = 8,818.47

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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.