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Finding the Fourth Proportional to 2,803.33, 3,840.58 and 2,698.23

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Solution

The fourth proportional to 2,803.33, 3,840.58 and 2,698.23 is: 3,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.33 : 3,840.58 = 2,698.23 : x
  2. Step 2: Convert to fraction form
    2,803.33/3,840.58 = 2,698.23/x
  3. Step 3: Cross multiply
    2,803.33x = 3,840.58 × 2,698.23
  4. Step 4: Simplify right side
    2,803.33x = 10,362,754.68
  5. Step 5: Solve for x
    x = 10,362,754.68/2,803.33
  6. Step 6: Final answer
    x = 3,696.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.