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Finding the Fourth Proportional to 2,940.94, 4,058.50 and 1,614.74

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Solution

The fourth proportional to 2,940.94, 4,058.50 and 1,614.74 is: 2,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.94 : 4,058.50 = 1,614.74 : x
  2. Step 2: Convert to fraction form
    2,940.94/4,058.50 = 1,614.74/x
  3. Step 3: Cross multiply
    2,940.94x = 4,058.50 × 1,614.74
  4. Step 4: Simplify right side
    2,940.94x = 6,553,422.29
  5. Step 5: Solve for x
    x = 6,553,422.29/2,940.94
  6. Step 6: Final answer
    x = 2,228.34

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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.