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Finding the Fourth Proportional to 2,673.64, 4,007.42 and 1,673.45

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Solution

The fourth proportional to 2,673.64, 4,007.42 and 1,673.45 is: 2,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.64 : 4,007.42 = 1,673.45 : x
  2. Step 2: Convert to fraction form
    2,673.64/4,007.42 = 1,673.45/x
  3. Step 3: Cross multiply
    2,673.64x = 4,007.42 × 1,673.45
  4. Step 4: Simplify right side
    2,673.64x = 6,706,217.00
  5. Step 5: Solve for x
    x = 6,706,217.00/2,673.64
  6. Step 6: Final answer
    x = 2,508.27

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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.