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Finding the Fourth Proportional to 2,867.93, 3,953.02 and 2,027.55

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Solution

The fourth proportional to 2,867.93, 3,953.02 and 2,027.55 is: 2,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.93 : 3,953.02 = 2,027.55 : x
  2. Step 2: Convert to fraction form
    2,867.93/3,953.02 = 2,027.55/x
  3. Step 3: Cross multiply
    2,867.93x = 3,953.02 × 2,027.55
  4. Step 4: Simplify right side
    2,867.93x = 8,014,945.70
  5. Step 5: Solve for x
    x = 8,014,945.70/2,867.93
  6. Step 6: Final answer
    x = 2,794.68

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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.