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Finding the Fourth Proportional to 17,887.71, 26,831.57 and 6,794.37

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Solution

The fourth proportional to 17,887.71, 26,831.57 and 6,794.37 is: 10,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.71 : 26,831.57 = 6,794.37 : x
  2. Step 2: Convert to fraction form
    17,887.71/26,831.57 = 6,794.37/x
  3. Step 3: Cross multiply
    17,887.71x = 26,831.57 × 6,794.37
  4. Step 4: Simplify right side
    17,887.71x = 182,303,580.29
  5. Step 5: Solve for x
    x = 182,303,580.29/17,887.71
  6. Step 6: Final answer
    x = 10,191.56

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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.