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Finding the Fourth Proportional to 17,761.70, 26,682.15 and 14,845.70

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Solution

The fourth proportional to 17,761.70, 26,682.15 and 14,845.70 is: 22,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.70 : 26,682.15 = 14,845.70 : x
  2. Step 2: Convert to fraction form
    17,761.70/26,682.15 = 14,845.70/x
  3. Step 3: Cross multiply
    17,761.70x = 26,682.15 × 14,845.70
  4. Step 4: Simplify right side
    17,761.70x = 396,115,194.26
  5. Step 5: Solve for x
    x = 396,115,194.26/17,761.70
  6. Step 6: Final answer
    x = 22,301.65

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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.