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Finding the Fourth Proportional to 2,296.60, 3,446.43 and 835.75

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Solution

The fourth proportional to 2,296.60, 3,446.43 and 835.75 is: 1,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.60 : 3,446.43 = 835.75 : x
  2. Step 2: Convert to fraction form
    2,296.60/3,446.43 = 835.75/x
  3. Step 3: Cross multiply
    2,296.60x = 3,446.43 × 835.75
  4. Step 4: Simplify right side
    2,296.60x = 2,880,353.87
  5. Step 5: Solve for x
    x = 2,880,353.87/2,296.60
  6. Step 6: Final answer
    x = 1,254.18

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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.