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Finding the Fourth Proportional to 16,092.90, 22,207.05 and 9,018.90

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Solution

The fourth proportional to 16,092.90, 22,207.05 and 9,018.90 is: 12,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,092.90 : 22,207.05 = 9,018.90 : x
  2. Step 2: Convert to fraction form
    16,092.90/22,207.05 = 9,018.90/x
  3. Step 3: Cross multiply
    16,092.90x = 22,207.05 × 9,018.90
  4. Step 4: Simplify right side
    16,092.90x = 200,283,163.25
  5. Step 5: Solve for x
    x = 200,283,163.25/16,092.90
  6. Step 6: Final answer
    x = 12,445.44

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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.