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Finding the Fourth Proportional to 49,907.87, 68,871.74 and 27,245.98

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Solution

The fourth proportional to 49,907.87, 68,871.74 and 27,245.98 is: 37,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.87 : 68,871.74 = 27,245.98 : x
  2. Step 2: Convert to fraction form
    49,907.87/68,871.74 = 27,245.98/x
  3. Step 3: Cross multiply
    49,907.87x = 68,871.74 × 27,245.98
  4. Step 4: Simplify right side
    49,907.87x = 1,876,478,050.61
  5. Step 5: Solve for x
    x = 1,876,478,050.61/49,907.87
  6. Step 6: Final answer
    x = 37,598.84

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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.