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Finding the Fourth Proportional to 2,760.73, 3,809.73 and 1,501.77

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Solution

The fourth proportional to 2,760.73, 3,809.73 and 1,501.77 is: 2,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.73 : 3,809.73 = 1,501.77 : x
  2. Step 2: Convert to fraction form
    2,760.73/3,809.73 = 1,501.77/x
  3. Step 3: Cross multiply
    2,760.73x = 3,809.73 × 1,501.77
  4. Step 4: Simplify right side
    2,760.73x = 5,721,338.22
  5. Step 5: Solve for x
    x = 5,721,338.22/2,760.73
  6. Step 6: Final answer
    x = 2,072.40

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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.