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Finding the Fourth Proportional to 1,968.00, 2,715.73 and 1,083.73

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Solution

The fourth proportional to 1,968.00, 2,715.73 and 1,083.73 is: 1,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.00 : 2,715.73 = 1,083.73 : x
  2. Step 2: Convert to fraction form
    1,968.00/2,715.73 = 1,083.73/x
  3. Step 3: Cross multiply
    1,968.00x = 2,715.73 × 1,083.73
  4. Step 4: Simplify right side
    1,968.00x = 2,943,113.67
  5. Step 5: Solve for x
    x = 2,943,113.67/1,968.00
  6. Step 6: Final answer
    x = 1,495.49

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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.