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Finding the Fourth Proportional to 8,940.88, 12,339.88 and 4,963.27

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Solution

The fourth proportional to 8,940.88, 12,339.88 and 4,963.27 is: 6,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.88 : 12,339.88 = 4,963.27 : x
  2. Step 2: Convert to fraction form
    8,940.88/12,339.88 = 4,963.27/x
  3. Step 3: Cross multiply
    8,940.88x = 12,339.88 × 4,963.27
  4. Step 4: Simplify right side
    8,940.88x = 61,246,156.21
  5. Step 5: Solve for x
    x = 61,246,156.21/8,940.88
  6. Step 6: Final answer
    x = 6,850.13

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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.