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Finding the Fourth Proportional to 8,192.98, 12,289.48 and 2,349.62

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Solution

The fourth proportional to 8,192.98, 12,289.48 and 2,349.62 is: 3,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.98 : 12,289.48 = 2,349.62 : x
  2. Step 2: Convert to fraction form
    8,192.98/12,289.48 = 2,349.62/x
  3. Step 3: Cross multiply
    8,192.98x = 12,289.48 × 2,349.62
  4. Step 4: Simplify right side
    8,192.98x = 28,875,608.00
  5. Step 5: Solve for x
    x = 28,875,608.00/8,192.98
  6. Step 6: Final answer
    x = 3,524.43

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Double scale
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Similar ratio
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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.