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Finding the Fourth Proportional to 2,718.70, 3,723.69 and 2,559.11

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Solution

The fourth proportional to 2,718.70, 3,723.69 and 2,559.11 is: 3,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.70 : 3,723.69 = 2,559.11 : x
  2. Step 2: Convert to fraction form
    2,718.70/3,723.69 = 2,559.11/x
  3. Step 3: Cross multiply
    2,718.70x = 3,723.69 × 2,559.11
  4. Step 4: Simplify right side
    2,718.70x = 9,529,332.32
  5. Step 5: Solve for x
    x = 9,529,332.32/2,718.70
  6. Step 6: Final answer
    x = 3,505.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.