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Finding the Fourth Proportional to 60,907.58, 91,361.28 and 16,540.84

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Solution

The fourth proportional to 60,907.58, 91,361.28 and 16,540.84 is: 24,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,907.58 : 91,361.28 = 16,540.84 : x
  2. Step 2: Convert to fraction form
    60,907.58/91,361.28 = 16,540.84/x
  3. Step 3: Cross multiply
    60,907.58x = 91,361.28 × 16,540.84
  4. Step 4: Simplify right side
    60,907.58x = 1,511,191,857.87
  5. Step 5: Solve for x
    x = 1,511,191,857.87/60,907.58
  6. Step 6: Final answer
    x = 24,811.23

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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.