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Finding the Fourth Proportional to 19,880.39, 29,820.44 and 6,029.39

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Solution

The fourth proportional to 19,880.39, 29,820.44 and 6,029.39 is: 9,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.39 : 29,820.44 = 6,029.39 : x
  2. Step 2: Convert to fraction form
    19,880.39/29,820.44 = 6,029.39/x
  3. Step 3: Cross multiply
    19,880.39x = 29,820.44 × 6,029.39
  4. Step 4: Simplify right side
    19,880.39x = 179,798,883.48
  5. Step 5: Solve for x
    x = 179,798,883.48/19,880.39
  6. Step 6: Final answer
    x = 9,044.03

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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.