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Finding the Fourth Proportional to 16,661.13, 25,004 and 7,896.07

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Solution

The fourth proportional to 16,661.13, 25,004 and 7,896.07 is: 11,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.13 : 25,004 = 7,896.07 : x
  2. Step 2: Convert to fraction form
    16,661.13/25,004 = 7,896.07/x
  3. Step 3: Cross multiply
    16,661.13x = 25,004 × 7,896.07
  4. Step 4: Simplify right side
    16,661.13x = 197,433,334.28
  5. Step 5: Solve for x
    x = 197,433,334.28/16,661.13
  6. Step 6: Final answer
    x = 11,849.94

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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.