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Finding the Fourth Proportional to 1,661.36, 2,493.48 and 795.92

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Solution

The fourth proportional to 1,661.36, 2,493.48 and 795.92 is: 1,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.36 : 2,493.48 = 795.92 : x
  2. Step 2: Convert to fraction form
    1,661.36/2,493.48 = 795.92/x
  3. Step 3: Cross multiply
    1,661.36x = 2,493.48 × 795.92
  4. Step 4: Simplify right side
    1,661.36x = 1,984,610.60
  5. Step 5: Solve for x
    x = 1,984,610.60/1,661.36
  6. Step 6: Final answer
    x = 1,194.57

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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.