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Finding the Fourth Proportional to 8,553.69, 11,794.80 and 5,563.98

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Solution

The fourth proportional to 8,553.69, 11,794.80 and 5,563.98 is: 7,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.69 : 11,794.80 = 5,563.98 : x
  2. Step 2: Convert to fraction form
    8,553.69/11,794.80 = 5,563.98/x
  3. Step 3: Cross multiply
    8,553.69x = 11,794.80 × 5,563.98
  4. Step 4: Simplify right side
    8,553.69x = 65,626,031.30
  5. Step 5: Solve for x
    x = 65,626,031.30/8,553.69
  6. Step 6: Final answer
    x = 7,672.25

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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.