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Finding the Fourth Proportional to 1,835.42, 2,750.96 and 679.82

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Solution

The fourth proportional to 1,835.42, 2,750.96 and 679.82 is: 1,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.42 : 2,750.96 = 679.82 : x
  2. Step 2: Convert to fraction form
    1,835.42/2,750.96 = 679.82/x
  3. Step 3: Cross multiply
    1,835.42x = 2,750.96 × 679.82
  4. Step 4: Simplify right side
    1,835.42x = 1,870,157.63
  5. Step 5: Solve for x
    x = 1,870,157.63/1,835.42
  6. Step 6: Final answer
    x = 1,018.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.