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Finding the Fourth Proportional to 3,419.99, 5,124.36 and 1,444.00

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Solution

The fourth proportional to 3,419.99, 5,124.36 and 1,444.00 is: 2,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.99 : 5,124.36 = 1,444.00 : x
  2. Step 2: Convert to fraction form
    3,419.99/5,124.36 = 1,444.00/x
  3. Step 3: Cross multiply
    3,419.99x = 5,124.36 × 1,444.00
  4. Step 4: Simplify right side
    3,419.99x = 7,399,550.22
  5. Step 5: Solve for x
    x = 7,399,550.22/3,419.99
  6. Step 6: Final answer
    x = 2,163.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.