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Finding the Fourth Proportional to 35,198.66, 52,788.72 and 13,018.39

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Solution

The fourth proportional to 35,198.66, 52,788.72 and 13,018.39 is: 19,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,198.66 : 52,788.72 = 13,018.39 : x
  2. Step 2: Convert to fraction form
    35,198.66/52,788.72 = 13,018.39/x
  3. Step 3: Cross multiply
    35,198.66x = 52,788.72 × 13,018.39
  4. Step 4: Simplify right side
    35,198.66x = 687,224,144.56
  5. Step 5: Solve for x
    x = 687,224,144.56/35,198.66
  6. Step 6: Final answer
    x = 19,524.16

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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.