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Finding the Fourth Proportional to 2,021.37, 3,032.36 and 722.53

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Solution

The fourth proportional to 2,021.37, 3,032.36 and 722.53 is: 1,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.37 : 3,032.36 = 722.53 : x
  2. Step 2: Convert to fraction form
    2,021.37/3,032.36 = 722.53/x
  3. Step 3: Cross multiply
    2,021.37x = 3,032.36 × 722.53
  4. Step 4: Simplify right side
    2,021.37x = 2,190,973.96
  5. Step 5: Solve for x
    x = 2,190,973.96/2,021.37
  6. Step 6: Final answer
    x = 1,083.91

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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.