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Finding the Fourth Proportional to 5,012.67, 6,912.76 and 3,739.37

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Solution

The fourth proportional to 5,012.67, 6,912.76 and 3,739.37 is: 5,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.67 : 6,912.76 = 3,739.37 : x
  2. Step 2: Convert to fraction form
    5,012.67/6,912.76 = 3,739.37/x
  3. Step 3: Cross multiply
    5,012.67x = 6,912.76 × 3,739.37
  4. Step 4: Simplify right side
    5,012.67x = 25,849,323.45
  5. Step 5: Solve for x
    x = 25,849,323.45/5,012.67
  6. Step 6: Final answer
    x = 5,156.79

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1.5x scale

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.