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Finding the Fourth Proportional to 17,910.44, 26,866.20 and 8,551.45

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Solution

The fourth proportional to 17,910.44, 26,866.20 and 8,551.45 is: 12,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.44 : 26,866.20 = 8,551.45 : x
  2. Step 2: Convert to fraction form
    17,910.44/26,866.20 = 8,551.45/x
  3. Step 3: Cross multiply
    17,910.44x = 26,866.20 × 8,551.45
  4. Step 4: Simplify right side
    17,910.44x = 229,744,831.66
  5. Step 5: Solve for x
    x = 229,744,831.66/17,910.44
  6. Step 6: Final answer
    x = 12,827.43

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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.