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Finding the Fourth Proportional to 35,940.99, 53,914.73 and 13,753.47

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Solution

The fourth proportional to 35,940.99, 53,914.73 and 13,753.47 is: 20,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.99 : 53,914.73 = 13,753.47 : x
  2. Step 2: Convert to fraction form
    35,940.99/53,914.73 = 13,753.47/x
  3. Step 3: Cross multiply
    35,940.99x = 53,914.73 × 13,753.47
  4. Step 4: Simplify right side
    35,940.99x = 741,514,552.85
  5. Step 5: Solve for x
    x = 741,514,552.85/35,940.99
  6. Step 6: Final answer
    x = 20,631.44

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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.