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Finding the Fourth Proportional to 1,973.22, 2,958.99 and 1,083.53

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Solution

The fourth proportional to 1,973.22, 2,958.99 and 1,083.53 is: 1,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.22 : 2,958.99 = 1,083.53 : x
  2. Step 2: Convert to fraction form
    1,973.22/2,958.99 = 1,083.53/x
  3. Step 3: Cross multiply
    1,973.22x = 2,958.99 × 1,083.53
  4. Step 4: Simplify right side
    1,973.22x = 3,206,139.64
  5. Step 5: Solve for x
    x = 3,206,139.64/1,973.22
  6. Step 6: Final answer
    x = 1,624.83

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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.