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Finding the Fourth Proportional to 1,773.41, 2,659.37 and 848.75

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Solution

The fourth proportional to 1,773.41, 2,659.37 and 848.75 is: 1,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.41 : 2,659.37 = 848.75 : x
  2. Step 2: Convert to fraction form
    1,773.41/2,659.37 = 848.75/x
  3. Step 3: Cross multiply
    1,773.41x = 2,659.37 × 848.75
  4. Step 4: Simplify right side
    1,773.41x = 2,257,122.75
  5. Step 5: Solve for x
    x = 2,257,122.75/1,773.41
  6. Step 6: Final answer
    x = 1,272.76

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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.