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Finding the Fourth Proportional to 5,362.22, 7,400.03 and 3,004.31

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Solution

The fourth proportional to 5,362.22, 7,400.03 and 3,004.31 is: 4,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.22 : 7,400.03 = 3,004.31 : x
  2. Step 2: Convert to fraction form
    5,362.22/7,400.03 = 3,004.31/x
  3. Step 3: Cross multiply
    5,362.22x = 7,400.03 × 3,004.31
  4. Step 4: Simplify right side
    5,362.22x = 22,231,987.61
  5. Step 5: Solve for x
    x = 22,231,987.61/5,362.22
  6. Step 6: Final answer
    x = 4,146.04

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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.