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Finding the Fourth Proportional to 35,859.73, 53,791.34 and 13,668.97

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Solution

The fourth proportional to 35,859.73, 53,791.34 and 13,668.97 is: 20,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.73 : 53,791.34 = 13,668.97 : x
  2. Step 2: Convert to fraction form
    35,859.73/53,791.34 = 13,668.97/x
  3. Step 3: Cross multiply
    35,859.73x = 53,791.34 × 13,668.97
  4. Step 4: Simplify right side
    35,859.73x = 735,271,943.76
  5. Step 5: Solve for x
    x = 735,271,943.76/35,859.73
  6. Step 6: Final answer
    x = 20,504.12

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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.