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Finding the Fourth Proportional to 1,335.42, 1,842.46 and 941.76

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Solution

The fourth proportional to 1,335.42, 1,842.46 and 941.76 is: 1,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.42 : 1,842.46 = 941.76 : x
  2. Step 2: Convert to fraction form
    1,335.42/1,842.46 = 941.76/x
  3. Step 3: Cross multiply
    1,335.42x = 1,842.46 × 941.76
  4. Step 4: Simplify right side
    1,335.42x = 1,735,152.78
  5. Step 5: Solve for x
    x = 1,735,152.78/1,335.42
  6. Step 6: Final answer
    x = 1,299.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.