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Finding the Fourth Proportional to 9,563.61, 13,194 and 5,529.70

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Solution

The fourth proportional to 9,563.61, 13,194 and 5,529.70 is: 7,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.61 : 13,194 = 5,529.70 : x
  2. Step 2: Convert to fraction form
    9,563.61/13,194 = 5,529.70/x
  3. Step 3: Cross multiply
    9,563.61x = 13,194 × 5,529.70
  4. Step 4: Simplify right side
    9,563.61x = 72,958,861.80
  5. Step 5: Solve for x
    x = 72,958,861.80/9,563.61
  6. Step 6: Final answer
    x = 7,628.80

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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.