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Finding the Fourth Proportional to 2,236.60, 3,350.10 and 1,948.60

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Solution

The fourth proportional to 2,236.60, 3,350.10 and 1,948.60 is: 2,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.60 : 3,350.10 = 1,948.60 : x
  2. Step 2: Convert to fraction form
    2,236.60/3,350.10 = 1,948.60/x
  3. Step 3: Cross multiply
    2,236.60x = 3,350.10 × 1,948.60
  4. Step 4: Simplify right side
    2,236.60x = 6,528,004.86
  5. Step 5: Solve for x
    x = 6,528,004.86/2,236.60
  6. Step 6: Final answer
    x = 2,918.72

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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.