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Finding the Fourth Proportional to 16,805.08, 25,223.22 and 8,490.96

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Solution

The fourth proportional to 16,805.08, 25,223.22 and 8,490.96 is: 12,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.08 : 25,223.22 = 8,490.96 : x
  2. Step 2: Convert to fraction form
    16,805.08/25,223.22 = 8,490.96/x
  3. Step 3: Cross multiply
    16,805.08x = 25,223.22 × 8,490.96
  4. Step 4: Simplify right side
    16,805.08x = 214,169,352.09
  5. Step 5: Solve for x
    x = 214,169,352.09/16,805.08
  6. Step 6: Final answer
    x = 12,744.32

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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.