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Finding the Fourth Proportional to 2,368.68, 3,550.10 and 2,076.75

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Solution

The fourth proportional to 2,368.68, 3,550.10 and 2,076.75 is: 3,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.68 : 3,550.10 = 2,076.75 : x
  2. Step 2: Convert to fraction form
    2,368.68/3,550.10 = 2,076.75/x
  3. Step 3: Cross multiply
    2,368.68x = 3,550.10 × 2,076.75
  4. Step 4: Simplify right side
    2,368.68x = 7,372,659.79
  5. Step 5: Solve for x
    x = 7,372,659.79/2,368.68
  6. Step 6: Final answer
    x = 3,112.56

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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.