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Finding the Fourth Proportional to 1,923.03, 2,883.12 and 673.29

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Solution

The fourth proportional to 1,923.03, 2,883.12 and 673.29 is: 1,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.03 : 2,883.12 = 673.29 : x
  2. Step 2: Convert to fraction form
    1,923.03/2,883.12 = 673.29/x
  3. Step 3: Cross multiply
    1,923.03x = 2,883.12 × 673.29
  4. Step 4: Simplify right side
    1,923.03x = 1,941,175.86
  5. Step 5: Solve for x
    x = 1,941,175.86/1,923.03
  6. Step 6: Final answer
    x = 1,009.44

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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.