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Finding the Fourth Proportional to 17,893.50, 26,831.13 and 6,791.74

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Solution

The fourth proportional to 17,893.50, 26,831.13 and 6,791.74 is: 10,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.50 : 26,831.13 = 6,791.74 : x
  2. Step 2: Convert to fraction form
    17,893.50/26,831.13 = 6,791.74/x
  3. Step 3: Cross multiply
    17,893.50x = 26,831.13 × 6,791.74
  4. Step 4: Simplify right side
    17,893.50x = 182,230,058.87
  5. Step 5: Solve for x
    x = 182,230,058.87/17,893.50
  6. Step 6: Final answer
    x = 10,184.15

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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.