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Finding the Fourth Proportional to 2,359.74, 3,258.82 and 1,944.21

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Solution

The fourth proportional to 2,359.74, 3,258.82 and 1,944.21 is: 2,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.74 : 3,258.82 = 1,944.21 : x
  2. Step 2: Convert to fraction form
    2,359.74/3,258.82 = 1,944.21/x
  3. Step 3: Cross multiply
    2,359.74x = 3,258.82 × 1,944.21
  4. Step 4: Simplify right side
    2,359.74x = 6,335,845.08
  5. Step 5: Solve for x
    x = 6,335,845.08/2,359.74
  6. Step 6: Final answer
    x = 2,684.97

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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.