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Finding the Fourth Proportional to 7,616.95, 10,512.37 and 4,259.95

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Solution

The fourth proportional to 7,616.95, 10,512.37 and 4,259.95 is: 5,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.95 : 10,512.37 = 4,259.95 : x
  2. Step 2: Convert to fraction form
    7,616.95/10,512.37 = 4,259.95/x
  3. Step 3: Cross multiply
    7,616.95x = 10,512.37 × 4,259.95
  4. Step 4: Simplify right side
    7,616.95x = 44,782,170.58
  5. Step 5: Solve for x
    x = 44,782,170.58/7,616.95
  6. Step 6: Final answer
    x = 5,879.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.