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Finding the Fourth Proportional to 2,202.81, 3,040.41 and 1,363.01

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Solution

The fourth proportional to 2,202.81, 3,040.41 and 1,363.01 is: 1,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.81 : 3,040.41 = 1,363.01 : x
  2. Step 2: Convert to fraction form
    2,202.81/3,040.41 = 1,363.01/x
  3. Step 3: Cross multiply
    2,202.81x = 3,040.41 × 1,363.01
  4. Step 4: Simplify right side
    2,202.81x = 4,144,094.03
  5. Step 5: Solve for x
    x = 4,144,094.03/2,202.81
  6. Step 6: Final answer
    x = 1,881.28

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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.