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Finding the Fourth Proportional to 4,608.64, 6,360.34 and 2,619.82

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Solution

The fourth proportional to 4,608.64, 6,360.34 and 2,619.82 is: 3,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.64 : 6,360.34 = 2,619.82 : x
  2. Step 2: Convert to fraction form
    4,608.64/6,360.34 = 2,619.82/x
  3. Step 3: Cross multiply
    4,608.64x = 6,360.34 × 2,619.82
  4. Step 4: Simplify right side
    4,608.64x = 16,662,945.94
  5. Step 5: Solve for x
    x = 16,662,945.94/4,608.64
  6. Step 6: Final answer
    x = 3,615.59

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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.