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Finding the Fourth Proportional to 13,696.94, 20,553.24 and 5,798.90

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Solution

The fourth proportional to 13,696.94, 20,553.24 and 5,798.90 is: 8,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.94 : 20,553.24 = 5,798.90 : x
  2. Step 2: Convert to fraction form
    13,696.94/20,553.24 = 5,798.90/x
  3. Step 3: Cross multiply
    13,696.94x = 20,553.24 × 5,798.90
  4. Step 4: Simplify right side
    13,696.94x = 119,186,183.44
  5. Step 5: Solve for x
    x = 119,186,183.44/13,696.94
  6. Step 6: Final answer
    x = 8,701.67

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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.