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Finding the Fourth Proportional to 8,633.88, 12,968.13 and 8,350.17

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Solution

The fourth proportional to 8,633.88, 12,968.13 and 8,350.17 is: 12,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.88 : 12,968.13 = 8,350.17 : x
  2. Step 2: Convert to fraction form
    8,633.88/12,968.13 = 8,350.17/x
  3. Step 3: Cross multiply
    8,633.88x = 12,968.13 × 8,350.17
  4. Step 4: Simplify right side
    8,633.88x = 108,286,090.08
  5. Step 5: Solve for x
    x = 108,286,090.08/8,633.88
  6. Step 6: Final answer
    x = 12,542.00

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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.