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Finding the Fourth Proportional to 3,559.94, 4,914.45 and 2,499.95

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Solution

The fourth proportional to 3,559.94, 4,914.45 and 2,499.95 is: 3,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.94 : 4,914.45 = 2,499.95 : x
  2. Step 2: Convert to fraction form
    3,559.94/4,914.45 = 2,499.95/x
  3. Step 3: Cross multiply
    3,559.94x = 4,914.45 × 2,499.95
  4. Step 4: Simplify right side
    3,559.94x = 12,285,879.28
  5. Step 5: Solve for x
    x = 12,285,879.28/3,559.94
  6. Step 6: Final answer
    x = 3,451.15

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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.