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Finding the Fourth Proportional to 2,059.68, 3,089.62 and 673.02

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Solution

The fourth proportional to 2,059.68, 3,089.62 and 673.02 is: 1,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.68 : 3,089.62 = 673.02 : x
  2. Step 2: Convert to fraction form
    2,059.68/3,089.62 = 673.02/x
  3. Step 3: Cross multiply
    2,059.68x = 3,089.62 × 673.02
  4. Step 4: Simplify right side
    2,059.68x = 2,079,376.05
  5. Step 5: Solve for x
    x = 2,079,376.05/2,059.68
  6. Step 6: Final answer
    x = 1,009.56

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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.