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Finding the Fourth Proportional to 18,006.76, 27,000.14 and 7,473.88

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Solution

The fourth proportional to 18,006.76, 27,000.14 and 7,473.88 is: 11,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.76 : 27,000.14 = 7,473.88 : x
  2. Step 2: Convert to fraction form
    18,006.76/27,000.14 = 7,473.88/x
  3. Step 3: Cross multiply
    18,006.76x = 27,000.14 × 7,473.88
  4. Step 4: Simplify right side
    18,006.76x = 201,795,806.34
  5. Step 5: Solve for x
    x = 201,795,806.34/18,006.76
  6. Step 6: Final answer
    x = 11,206.67

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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.