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Finding the Fourth Proportional to 20,069.04, 30,105.99 and 9,673.50

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Solution

The fourth proportional to 20,069.04, 30,105.99 and 9,673.50 is: 14,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.04 : 30,105.99 = 9,673.50 : x
  2. Step 2: Convert to fraction form
    20,069.04/30,105.99 = 9,673.50/x
  3. Step 3: Cross multiply
    20,069.04x = 30,105.99 × 9,673.50
  4. Step 4: Simplify right side
    20,069.04x = 291,230,294.27
  5. Step 5: Solve for x
    x = 291,230,294.27/20,069.04
  6. Step 6: Final answer
    x = 14,511.42

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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.