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Finding the Fourth Proportional to 16,695.99, 25,007.04 and 11,418.48

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Solution

The fourth proportional to 16,695.99, 25,007.04 and 11,418.48 is: 17,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.99 : 25,007.04 = 11,418.48 : x
  2. Step 2: Convert to fraction form
    16,695.99/25,007.04 = 11,418.48/x
  3. Step 3: Cross multiply
    16,695.99x = 25,007.04 × 11,418.48
  4. Step 4: Simplify right side
    16,695.99x = 285,542,386.10
  5. Step 5: Solve for x
    x = 285,542,386.10/16,695.99
  6. Step 6: Final answer
    x = 17,102.45

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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.