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Finding the Fourth Proportional to 2,893.80, 3,993.38 and 1,846.12

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Solution

The fourth proportional to 2,893.80, 3,993.38 and 1,846.12 is: 2,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.80 : 3,993.38 = 1,846.12 : x
  2. Step 2: Convert to fraction form
    2,893.80/3,993.38 = 1,846.12/x
  3. Step 3: Cross multiply
    2,893.80x = 3,993.38 × 1,846.12
  4. Step 4: Simplify right side
    2,893.80x = 7,372,258.69
  5. Step 5: Solve for x
    x = 7,372,258.69/2,893.80
  6. Step 6: Final answer
    x = 2,547.60

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Double scale
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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.