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Finding the Fourth Proportional to 18,472.00, 27,713.90 and 6,617.77

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Solution

The fourth proportional to 18,472.00, 27,713.90 and 6,617.77 is: 9,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.00 : 27,713.90 = 6,617.77 : x
  2. Step 2: Convert to fraction form
    18,472.00/27,713.90 = 6,617.77/x
  3. Step 3: Cross multiply
    18,472.00x = 27,713.90 × 6,617.77
  4. Step 4: Simplify right side
    18,472.00x = 183,404,138.45
  5. Step 5: Solve for x
    x = 183,404,138.45/18,472.00
  6. Step 6: Final answer
    x = 9,928.77

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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.