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Finding the Fourth Proportional to 17,909.07, 26,864.13 and 8,550.07

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Solution

The fourth proportional to 17,909.07, 26,864.13 and 8,550.07 is: 12,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.07 : 26,864.13 = 8,550.07 : x
  2. Step 2: Convert to fraction form
    17,909.07/26,864.13 = 8,550.07/x
  3. Step 3: Cross multiply
    17,909.07x = 26,864.13 × 8,550.07
  4. Step 4: Simplify right side
    17,909.07x = 229,690,191.99
  5. Step 5: Solve for x
    x = 229,690,191.99/17,909.07
  6. Step 6: Final answer
    x = 12,825.36

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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.