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Finding the Fourth Proportional to 10,907.44, 16,361.32 and 3,009.88

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Solution

The fourth proportional to 10,907.44, 16,361.32 and 3,009.88 is: 4,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.44 : 16,361.32 = 3,009.88 : x
  2. Step 2: Convert to fraction form
    10,907.44/16,361.32 = 3,009.88/x
  3. Step 3: Cross multiply
    10,907.44x = 16,361.32 × 3,009.88
  4. Step 4: Simplify right side
    10,907.44x = 49,245,609.84
  5. Step 5: Solve for x
    x = 49,245,609.84/10,907.44
  6. Step 6: Final answer
    x = 4,514.86

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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.