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Finding the Fourth Proportional to 2,712.94, 3,743.88 and 1,470.94

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Solution

The fourth proportional to 2,712.94, 3,743.88 and 1,470.94 is: 2,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.94 : 3,743.88 = 1,470.94 : x
  2. Step 2: Convert to fraction form
    2,712.94/3,743.88 = 1,470.94/x
  3. Step 3: Cross multiply
    2,712.94x = 3,743.88 × 1,470.94
  4. Step 4: Simplify right side
    2,712.94x = 5,507,022.85
  5. Step 5: Solve for x
    x = 5,507,022.85/2,712.94
  6. Step 6: Final answer
    x = 2,029.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.