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Finding the Fourth Proportional to 10,679.60, 16,008.60 and 6,294.80

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Solution

The fourth proportional to 10,679.60, 16,008.60 and 6,294.80 is: 9,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.60 : 16,008.60 = 6,294.80 : x
  2. Step 2: Convert to fraction form
    10,679.60/16,008.60 = 6,294.80/x
  3. Step 3: Cross multiply
    10,679.60x = 16,008.60 × 6,294.80
  4. Step 4: Simplify right side
    10,679.60x = 100,770,935.28
  5. Step 5: Solve for x
    x = 100,770,935.28/10,679.60
  6. Step 6: Final answer
    x = 9,435.83

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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.