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Finding the Fourth Proportional to 19,907.65, 29,866.09 and 6,760.03

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Solution

The fourth proportional to 19,907.65, 29,866.09 and 6,760.03 is: 10,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.65 : 29,866.09 = 6,760.03 : x
  2. Step 2: Convert to fraction form
    19,907.65/29,866.09 = 6,760.03/x
  3. Step 3: Cross multiply
    19,907.65x = 29,866.09 × 6,760.03
  4. Step 4: Simplify right side
    19,907.65x = 201,895,744.50
  5. Step 5: Solve for x
    x = 201,895,744.50/19,907.65
  6. Step 6: Final answer
    x = 10,141.62

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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.