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Finding the Fourth Proportional to 2,057.73, 3,088.19 and 825.93

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Solution

The fourth proportional to 2,057.73, 3,088.19 and 825.93 is: 1,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.73 : 3,088.19 = 825.93 : x
  2. Step 2: Convert to fraction form
    2,057.73/3,088.19 = 825.93/x
  3. Step 3: Cross multiply
    2,057.73x = 3,088.19 × 825.93
  4. Step 4: Simplify right side
    2,057.73x = 2,550,628.77
  5. Step 5: Solve for x
    x = 2,550,628.77/2,057.73
  6. Step 6: Final answer
    x = 1,239.54

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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.