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Finding the Fourth Proportional to 9,178.99, 13,759.01 and 3,630.08

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Solution

The fourth proportional to 9,178.99, 13,759.01 and 3,630.08 is: 5,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.99 : 13,759.01 = 3,630.08 : x
  2. Step 2: Convert to fraction form
    9,178.99/13,759.01 = 3,630.08/x
  3. Step 3: Cross multiply
    9,178.99x = 13,759.01 × 3,630.08
  4. Step 4: Simplify right side
    9,178.99x = 49,946,288.87
  5. Step 5: Solve for x
    x = 49,946,288.87/9,178.99
  6. Step 6: Final answer
    x = 5,441.37

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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.