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Finding the Fourth Proportional to 8,872.30, 12,243.78 and 4,893.41

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Solution

The fourth proportional to 8,872.30, 12,243.78 and 4,893.41 is: 6,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.30 : 12,243.78 = 4,893.41 : x
  2. Step 2: Convert to fraction form
    8,872.30/12,243.78 = 4,893.41/x
  3. Step 3: Cross multiply
    8,872.30x = 12,243.78 × 4,893.41
  4. Step 4: Simplify right side
    8,872.30x = 59,913,847.72
  5. Step 5: Solve for x
    x = 59,913,847.72/8,872.30
  6. Step 6: Final answer
    x = 6,752.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.