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Finding the Fourth Proportional to 16,964.56, 25,495.98 and 8,205.63

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Solution

The fourth proportional to 16,964.56, 25,495.98 and 8,205.63 is: 12,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.56 : 25,495.98 = 8,205.63 : x
  2. Step 2: Convert to fraction form
    16,964.56/25,495.98 = 8,205.63/x
  3. Step 3: Cross multiply
    16,964.56x = 25,495.98 × 8,205.63
  4. Step 4: Simplify right side
    16,964.56x = 209,210,578.37
  5. Step 5: Solve for x
    x = 209,210,578.37/16,964.56
  6. Step 6: Final answer
    x = 12,332.21

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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.