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Finding the Fourth Proportional to 5,334.09, 7,360.72 and 2,976.09

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Solution

The fourth proportional to 5,334.09, 7,360.72 and 2,976.09 is: 4,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.09 : 7,360.72 = 2,976.09 : x
  2. Step 2: Convert to fraction form
    5,334.09/7,360.72 = 2,976.09/x
  3. Step 3: Cross multiply
    5,334.09x = 7,360.72 × 2,976.09
  4. Step 4: Simplify right side
    5,334.09x = 21,906,165.18
  5. Step 5: Solve for x
    x = 21,906,165.18/5,334.09
  6. Step 6: Final answer
    x = 4,106.82

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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.