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Finding the Fourth Proportional to 3,295.79, 4,942.43 and 1,074.04

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Solution

The fourth proportional to 3,295.79, 4,942.43 and 1,074.04 is: 1,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.79 : 4,942.43 = 1,074.04 : x
  2. Step 2: Convert to fraction form
    3,295.79/4,942.43 = 1,074.04/x
  3. Step 3: Cross multiply
    3,295.79x = 4,942.43 × 1,074.04
  4. Step 4: Simplify right side
    3,295.79x = 5,308,342.81
  5. Step 5: Solve for x
    x = 5,308,342.81/3,295.79
  6. Step 6: Final answer
    x = 1,610.65

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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.