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Finding the Fourth Proportional to 5,334.56, 7,360.44 and 3,739.20

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Solution

The fourth proportional to 5,334.56, 7,360.44 and 3,739.20 is: 5,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.56 : 7,360.44 = 3,739.20 : x
  2. Step 2: Convert to fraction form
    5,334.56/7,360.44 = 3,739.20/x
  3. Step 3: Cross multiply
    5,334.56x = 7,360.44 × 3,739.20
  4. Step 4: Simplify right side
    5,334.56x = 27,522,157.25
  5. Step 5: Solve for x
    x = 27,522,157.25/5,334.56
  6. Step 6: Final answer
    x = 5,159.22

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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.