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Finding the Fourth Proportional to 16,661.35, 22,992.99 and 9,107.47

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Solution

The fourth proportional to 16,661.35, 22,992.99 and 9,107.47 is: 12,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.35 : 22,992.99 = 9,107.47 : x
  2. Step 2: Convert to fraction form
    16,661.35/22,992.99 = 9,107.47/x
  3. Step 3: Cross multiply
    16,661.35x = 22,992.99 × 9,107.47
  4. Step 4: Simplify right side
    16,661.35x = 209,407,909.15
  5. Step 5: Solve for x
    x = 209,407,909.15/16,661.35
  6. Step 6: Final answer
    x = 12,568.49

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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.