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Finding the Fourth Proportional to 8,907.91, 13,361.69 and 3,064.37

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Solution

The fourth proportional to 8,907.91, 13,361.69 and 3,064.37 is: 4,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.91 : 13,361.69 = 3,064.37 : x
  2. Step 2: Convert to fraction form
    8,907.91/13,361.69 = 3,064.37/x
  3. Step 3: Cross multiply
    8,907.91x = 13,361.69 × 3,064.37
  4. Step 4: Simplify right side
    8,907.91x = 40,945,102.84
  5. Step 5: Solve for x
    x = 40,945,102.84/8,907.91
  6. Step 6: Final answer
    x = 4,596.49

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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.