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Finding the Fourth Proportional to 14,183.52, 19,573.09 and 7,809.98

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Solution

The fourth proportional to 14,183.52, 19,573.09 and 7,809.98 is: 10,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.52 : 19,573.09 = 7,809.98 : x
  2. Step 2: Convert to fraction form
    14,183.52/19,573.09 = 7,809.98/x
  3. Step 3: Cross multiply
    14,183.52x = 19,573.09 × 7,809.98
  4. Step 4: Simplify right side
    14,183.52x = 152,865,324.05
  5. Step 5: Solve for x
    x = 152,865,324.05/14,183.52
  6. Step 6: Final answer
    x = 10,777.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.