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Finding the Fourth Proportional to 19,798.38, 29,694.69 and 7,483.50

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Solution

The fourth proportional to 19,798.38, 29,694.69 and 7,483.50 is: 11,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.38 : 29,694.69 = 7,483.50 : x
  2. Step 2: Convert to fraction form
    19,798.38/29,694.69 = 7,483.50/x
  3. Step 3: Cross multiply
    19,798.38x = 29,694.69 × 7,483.50
  4. Step 4: Simplify right side
    19,798.38x = 222,220,212.62
  5. Step 5: Solve for x
    x = 222,220,212.62/19,798.38
  6. Step 6: Final answer
    x = 11,224.16

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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.