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Finding the Fourth Proportional to 13,329, 19,993.62 and 4,563.99

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Solution

The fourth proportional to 13,329, 19,993.62 and 4,563.99 is: 6,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329 : 19,993.62 = 4,563.99 : x
  2. Step 2: Convert to fraction form
    13,329/19,993.62 = 4,563.99/x
  3. Step 3: Cross multiply
    13,329x = 19,993.62 × 4,563.99
  4. Step 4: Simplify right side
    13,329x = 91,250,681.74
  5. Step 5: Solve for x
    x = 91,250,681.74/13,329
  6. Step 6: Final answer
    x = 6,846.03

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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.