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Finding the Fourth Proportional to 16,863.58, 25,310.91 and 8,549.50

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Solution

The fourth proportional to 16,863.58, 25,310.91 and 8,549.50 is: 12,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.58 : 25,310.91 = 8,549.50 : x
  2. Step 2: Convert to fraction form
    16,863.58/25,310.91 = 8,549.50/x
  3. Step 3: Cross multiply
    16,863.58x = 25,310.91 × 8,549.50
  4. Step 4: Simplify right side
    16,863.58x = 216,395,625.05
  5. Step 5: Solve for x
    x = 216,395,625.05/16,863.58
  6. Step 6: Final answer
    x = 12,832.13

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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.