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Finding the Fourth Proportional to 19,341.38, 29,025.03 and 7,029.38

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Solution

The fourth proportional to 19,341.38, 29,025.03 and 7,029.38 is: 10,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.38 : 29,025.03 = 7,029.38 : x
  2. Step 2: Convert to fraction form
    19,341.38/29,025.03 = 7,029.38/x
  3. Step 3: Cross multiply
    19,341.38x = 29,025.03 × 7,029.38
  4. Step 4: Simplify right side
    19,341.38x = 204,027,820.26
  5. Step 5: Solve for x
    x = 204,027,820.26/19,341.38
  6. Step 6: Final answer
    x = 10,548.78

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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.