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Finding the Fourth Proportional to 18,450.03, 27,675.06 and 7,913.25

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Solution

The fourth proportional to 18,450.03, 27,675.06 and 7,913.25 is: 11,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.03 : 27,675.06 = 7,913.25 : x
  2. Step 2: Convert to fraction form
    18,450.03/27,675.06 = 7,913.25/x
  3. Step 3: Cross multiply
    18,450.03x = 27,675.06 × 7,913.25
  4. Step 4: Simplify right side
    18,450.03x = 218,999,628.98
  5. Step 5: Solve for x
    x = 218,999,628.98/18,450.03
  6. Step 6: Final answer
    x = 11,869.88

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1.5x scale

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.