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Finding the Fourth Proportional to 53,859.05, 80,751.09 and 23,857.00

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Solution

The fourth proportional to 53,859.05, 80,751.09 and 23,857.00 is: 35,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.05 : 80,751.09 = 23,857.00 : x
  2. Step 2: Convert to fraction form
    53,859.05/80,751.09 = 23,857.00/x
  3. Step 3: Cross multiply
    53,859.05x = 80,751.09 × 23,857.00
  4. Step 4: Simplify right side
    53,859.05x = 1,926,478,350.37
  5. Step 5: Solve for x
    x = 1,926,478,350.37/53,859.05
  6. Step 6: Final answer
    x = 35,768.89

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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.