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Finding the Fourth Proportional to 2,718.73, 3,750.09 and 1,867.58

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Solution

The fourth proportional to 2,718.73, 3,750.09 and 1,867.58 is: 2,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.73 : 3,750.09 = 1,867.58 : x
  2. Step 2: Convert to fraction form
    2,718.73/3,750.09 = 1,867.58/x
  3. Step 3: Cross multiply
    2,718.73x = 3,750.09 × 1,867.58
  4. Step 4: Simplify right side
    2,718.73x = 7,003,567.33
  5. Step 5: Solve for x
    x = 7,003,567.33/2,718.73
  6. Step 6: Final answer
    x = 2,576.05

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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.