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Finding the Fourth Proportional to 17,889.86, 26,834.80 and 7,365.54

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Solution

The fourth proportional to 17,889.86, 26,834.80 and 7,365.54 is: 11,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.86 : 26,834.80 = 7,365.54 : x
  2. Step 2: Convert to fraction form
    17,889.86/26,834.80 = 7,365.54/x
  3. Step 3: Cross multiply
    17,889.86x = 26,834.80 × 7,365.54
  4. Step 4: Simplify right side
    17,889.86x = 197,652,792.79
  5. Step 5: Solve for x
    x = 197,652,792.79/17,889.86
  6. Step 6: Final answer
    x = 11,048.31

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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.