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Finding the Fourth Proportional to 16,664.52, 22,997.02 and 9,212.52

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Solution

The fourth proportional to 16,664.52, 22,997.02 and 9,212.52 is: 12,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.52 : 22,997.02 = 9,212.52 : x
  2. Step 2: Convert to fraction form
    16,664.52/22,997.02 = 9,212.52/x
  3. Step 3: Cross multiply
    16,664.52x = 22,997.02 × 9,212.52
  4. Step 4: Simplify right side
    16,664.52x = 211,860,506.69
  5. Step 5: Solve for x
    x = 211,860,506.69/16,664.52
  6. Step 6: Final answer
    x = 12,713.27

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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.