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Finding the Fourth Proportional to 18,407.99, 27,594.97 and 6,713.03

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Solution

The fourth proportional to 18,407.99, 27,594.97 and 6,713.03 is: 10,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.99 : 27,594.97 = 6,713.03 : x
  2. Step 2: Convert to fraction form
    18,407.99/27,594.97 = 6,713.03/x
  3. Step 3: Cross multiply
    18,407.99x = 27,594.97 × 6,713.03
  4. Step 4: Simplify right side
    18,407.99x = 185,245,861.46
  5. Step 5: Solve for x
    x = 185,245,861.46/18,407.99
  6. Step 6: Final answer
    x = 10,063.34

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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.