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Finding the Fourth Proportional to 16,863.94, 23,271.62 and 9,310.11

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Solution

The fourth proportional to 16,863.94, 23,271.62 and 9,310.11 is: 12,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.94 : 23,271.62 = 9,310.11 : x
  2. Step 2: Convert to fraction form
    16,863.94/23,271.62 = 9,310.11/x
  3. Step 3: Cross multiply
    16,863.94x = 23,271.62 × 9,310.11
  4. Step 4: Simplify right side
    16,863.94x = 216,661,260.63
  5. Step 5: Solve for x
    x = 216,661,260.63/16,863.94
  6. Step 6: Final answer
    x = 12,847.61

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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.