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Finding the Fourth Proportional to 8,963.41, 13,467.09 and 8,466.07

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Solution

The fourth proportional to 8,963.41, 13,467.09 and 8,466.07 is: 12,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.41 : 13,467.09 = 8,466.07 : x
  2. Step 2: Convert to fraction form
    8,963.41/13,467.09 = 8,466.07/x
  3. Step 3: Cross multiply
    8,963.41x = 13,467.09 × 8,466.07
  4. Step 4: Simplify right side
    8,963.41x = 114,013,326.64
  5. Step 5: Solve for x
    x = 114,013,326.64/8,963.41
  6. Step 6: Final answer
    x = 12,719.86

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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.