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Finding the Fourth Proportional to 3,293.84, 4,940.76 and 2,274.32

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Solution

The fourth proportional to 3,293.84, 4,940.76 and 2,274.32 is: 3,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.84 : 4,940.76 = 2,274.32 : x
  2. Step 2: Convert to fraction form
    3,293.84/4,940.76 = 2,274.32/x
  3. Step 3: Cross multiply
    3,293.84x = 4,940.76 × 2,274.32
  4. Step 4: Simplify right side
    3,293.84x = 11,236,869.28
  5. Step 5: Solve for x
    x = 11,236,869.28/3,293.84
  6. Step 6: Final answer
    x = 3,411.48

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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.