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Finding the Fourth Proportional to 5,936.40, 8,907.66 and 2,651.66

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Solution

The fourth proportional to 5,936.40, 8,907.66 and 2,651.66 is: 3,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.40 : 8,907.66 = 2,651.66 : x
  2. Step 2: Convert to fraction form
    5,936.40/8,907.66 = 2,651.66/x
  3. Step 3: Cross multiply
    5,936.40x = 8,907.66 × 2,651.66
  4. Step 4: Simplify right side
    5,936.40x = 23,620,085.72
  5. Step 5: Solve for x
    x = 23,620,085.72/5,936.40
  6. Step 6: Final answer
    x = 3,978.86

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1.5x scale

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.