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Finding the Fourth Proportional to 4,638.94, 6,940.97 and 3,254.97

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Solution

The fourth proportional to 4,638.94, 6,940.97 and 3,254.97 is: 4,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.94 : 6,940.97 = 3,254.97 : x
  2. Step 2: Convert to fraction form
    4,638.94/6,940.97 = 3,254.97/x
  3. Step 3: Cross multiply
    4,638.94x = 6,940.97 × 3,254.97
  4. Step 4: Simplify right side
    4,638.94x = 22,592,671.08
  5. Step 5: Solve for x
    x = 22,592,671.08/4,638.94
  6. Step 6: Final answer
    x = 4,870.23

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1.5x scale

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.