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Finding the Fourth Proportional to 16,397.09, 22,627.94 and 8,945.09

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Solution

The fourth proportional to 16,397.09, 22,627.94 and 8,945.09 is: 12,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397.09 : 22,627.94 = 8,945.09 : x
  2. Step 2: Convert to fraction form
    16,397.09/22,627.94 = 8,945.09/x
  3. Step 3: Cross multiply
    16,397.09x = 22,627.94 × 8,945.09
  4. Step 4: Simplify right side
    16,397.09x = 202,408,801.95
  5. Step 5: Solve for x
    x = 202,408,801.95/16,397.09
  6. Step 6: Final answer
    x = 12,344.19

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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.