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Finding the Fourth Proportional to 7,208.56, 10,813.02 and 2,014.39

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Solution

The fourth proportional to 7,208.56, 10,813.02 and 2,014.39 is: 3,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.56 : 10,813.02 = 2,014.39 : x
  2. Step 2: Convert to fraction form
    7,208.56/10,813.02 = 2,014.39/x
  3. Step 3: Cross multiply
    7,208.56x = 10,813.02 × 2,014.39
  4. Step 4: Simplify right side
    7,208.56x = 21,781,639.36
  5. Step 5: Solve for x
    x = 21,781,639.36/7,208.56
  6. Step 6: Final answer
    x = 3,021.64

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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.