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Finding the Fourth Proportional to 4,940.52, 6,818.74 and 2,844.20

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Solution

The fourth proportional to 4,940.52, 6,818.74 and 2,844.20 is: 3,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.52 : 6,818.74 = 2,844.20 : x
  2. Step 2: Convert to fraction form
    4,940.52/6,818.74 = 2,844.20/x
  3. Step 3: Cross multiply
    4,940.52x = 6,818.74 × 2,844.20
  4. Step 4: Simplify right side
    4,940.52x = 19,393,860.31
  5. Step 5: Solve for x
    x = 19,393,860.31/4,940.52
  6. Step 6: Final answer
    x = 3,925.47

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1.5x scale

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.