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Finding the Fourth Proportional to 35,221.97, 52,800.03 and 13,029.39

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Solution

The fourth proportional to 35,221.97, 52,800.03 and 13,029.39 is: 19,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.97 : 52,800.03 = 13,029.39 : x
  2. Step 2: Convert to fraction form
    35,221.97/52,800.03 = 13,029.39/x
  3. Step 3: Cross multiply
    35,221.97x = 52,800.03 × 13,029.39
  4. Step 4: Simplify right side
    35,221.97x = 687,952,182.88
  5. Step 5: Solve for x
    x = 687,952,182.88/35,221.97
  6. Step 6: Final answer
    x = 19,531.91

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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.