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Finding the Fourth Proportional to 7,243.99, 10,866.89 and 2,562.90

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Solution

The fourth proportional to 7,243.99, 10,866.89 and 2,562.90 is: 3,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.99 : 10,866.89 = 2,562.90 : x
  2. Step 2: Convert to fraction form
    7,243.99/10,866.89 = 2,562.90/x
  3. Step 3: Cross multiply
    7,243.99x = 10,866.89 × 2,562.90
  4. Step 4: Simplify right side
    7,243.99x = 27,850,698.05
  5. Step 5: Solve for x
    x = 27,850,698.05/7,243.99
  6. Step 6: Final answer
    x = 3,844.67

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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.