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Finding the Fourth Proportional to 18,000.70, 26,996.36 and 7,473.67

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Solution

The fourth proportional to 18,000.70, 26,996.36 and 7,473.67 is: 11,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.70 : 26,996.36 = 7,473.67 : x
  2. Step 2: Convert to fraction form
    18,000.70/26,996.36 = 7,473.67/x
  3. Step 3: Cross multiply
    18,000.70x = 26,996.36 × 7,473.67
  4. Step 4: Simplify right side
    18,000.70x = 201,761,780.98
  5. Step 5: Solve for x
    x = 201,761,780.98/18,000.70
  6. Step 6: Final answer
    x = 11,208.55

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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.