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Finding the Fourth Proportional to 2,698.93, 3,723.63 and 2,200.71

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Solution

The fourth proportional to 2,698.93, 3,723.63 and 2,200.71 is: 3,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.93 : 3,723.63 = 2,200.71 : x
  2. Step 2: Convert to fraction form
    2,698.93/3,723.63 = 2,200.71/x
  3. Step 3: Cross multiply
    2,698.93x = 3,723.63 × 2,200.71
  4. Step 4: Simplify right side
    2,698.93x = 8,194,629.78
  5. Step 5: Solve for x
    x = 8,194,629.78/2,698.93
  6. Step 6: Final answer
    x = 3,036.25

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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.