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Finding the Fourth Proportional to 35,289.75, 48,699.94 and 19,375.22

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Solution

The fourth proportional to 35,289.75, 48,699.94 and 19,375.22 is: 26,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.75 : 48,699.94 = 19,375.22 : x
  2. Step 2: Convert to fraction form
    35,289.75/48,699.94 = 19,375.22/x
  3. Step 3: Cross multiply
    35,289.75x = 48,699.94 × 19,375.22
  4. Step 4: Simplify right side
    35,289.75x = 943,571,954.61
  5. Step 5: Solve for x
    x = 943,571,954.61/35,289.75
  6. Step 6: Final answer
    x = 26,737.85

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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.