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Finding the Fourth Proportional to 17,887.72, 26,831.92 and 6,201.32

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Solution

The fourth proportional to 17,887.72, 26,831.92 and 6,201.32 is: 9,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.72 : 26,831.92 = 6,201.32 : x
  2. Step 2: Convert to fraction form
    17,887.72/26,831.92 = 6,201.32/x
  3. Step 3: Cross multiply
    17,887.72x = 26,831.92 × 6,201.32
  4. Step 4: Simplify right side
    17,887.72x = 166,393,322.13
  5. Step 5: Solve for x
    x = 166,393,322.13/17,887.72
  6. Step 6: Final answer
    x = 9,302.10

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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.