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Finding the Fourth Proportional to 2,673.74, 4,008.56 and 1,356.41

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Solution

The fourth proportional to 2,673.74, 4,008.56 and 1,356.41 is: 2,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.74 : 4,008.56 = 1,356.41 : x
  2. Step 2: Convert to fraction form
    2,673.74/4,008.56 = 1,356.41/x
  3. Step 3: Cross multiply
    2,673.74x = 4,008.56 × 1,356.41
  4. Step 4: Simplify right side
    2,673.74x = 5,437,254.11
  5. Step 5: Solve for x
    x = 5,437,254.11/2,673.74
  6. Step 6: Final answer
    x = 2,033.57

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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.