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Finding the Fourth Proportional to 34,934, 48,208.84 and 19,018.56

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Solution

The fourth proportional to 34,934, 48,208.84 and 19,018.56 is: 26,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934 : 48,208.84 = 19,018.56 : x
  2. Step 2: Convert to fraction form
    34,934/48,208.84 = 19,018.56/x
  3. Step 3: Cross multiply
    34,934x = 48,208.84 × 19,018.56
  4. Step 4: Simplify right side
    34,934x = 916,862,716.07
  5. Step 5: Solve for x
    x = 916,862,716.07/34,934
  6. Step 6: Final answer
    x = 26,245.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.