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Finding the Fourth Proportional to 8,240.92, 12,361.28 and 2,000.99

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Solution

The fourth proportional to 8,240.92, 12,361.28 and 2,000.99 is: 3,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.92 : 12,361.28 = 2,000.99 : x
  2. Step 2: Convert to fraction form
    8,240.92/12,361.28 = 2,000.99/x
  3. Step 3: Cross multiply
    8,240.92x = 12,361.28 × 2,000.99
  4. Step 4: Simplify right side
    8,240.92x = 24,734,787.66
  5. Step 5: Solve for x
    x = 24,734,787.66/8,240.92
  6. Step 6: Final answer
    x = 3,001.46

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Double scale
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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.