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Finding the Fourth Proportional to 17,917.82, 26,762.15 and 16,226.70

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Solution

The fourth proportional to 17,917.82, 26,762.15 and 16,226.70 is: 24,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.82 : 26,762.15 = 16,226.70 : x
  2. Step 2: Convert to fraction form
    17,917.82/26,762.15 = 16,226.70/x
  3. Step 3: Cross multiply
    17,917.82x = 26,762.15 × 16,226.70
  4. Step 4: Simplify right side
    17,917.82x = 434,261,369.79
  5. Step 5: Solve for x
    x = 434,261,369.79/17,917.82
  6. Step 6: Final answer
    x = 24,236.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.