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Finding the Fourth Proportional to 2,673.55, 4,007.49 and 1,029.39

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Solution

The fourth proportional to 2,673.55, 4,007.49 and 1,029.39 is: 1,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.55 : 4,007.49 = 1,029.39 : x
  2. Step 2: Convert to fraction form
    2,673.55/4,007.49 = 1,029.39/x
  3. Step 3: Cross multiply
    2,673.55x = 4,007.49 × 1,029.39
  4. Step 4: Simplify right side
    2,673.55x = 4,125,270.13
  5. Step 5: Solve for x
    x = 4,125,270.13/2,673.55
  6. Step 6: Final answer
    x = 1,542.99

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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.