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Finding the Fourth Proportional to 19,358.65, 29,040.14 and 6,206.41

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Solution

The fourth proportional to 19,358.65, 29,040.14 and 6,206.41 is: 9,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.65 : 29,040.14 = 6,206.41 : x
  2. Step 2: Convert to fraction form
    19,358.65/29,040.14 = 6,206.41/x
  3. Step 3: Cross multiply
    19,358.65x = 29,040.14 × 6,206.41
  4. Step 4: Simplify right side
    19,358.65x = 180,235,015.30
  5. Step 5: Solve for x
    x = 180,235,015.30/19,358.65
  6. Step 6: Final answer
    x = 9,310.31

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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.