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Finding the Fourth Proportional to 3,027.76, 4,541.08 and 1,928.88

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Solution

The fourth proportional to 3,027.76, 4,541.08 and 1,928.88 is: 2,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.76 : 4,541.08 = 1,928.88 : x
  2. Step 2: Convert to fraction form
    3,027.76/4,541.08 = 1,928.88/x
  3. Step 3: Cross multiply
    3,027.76x = 4,541.08 × 1,928.88
  4. Step 4: Simplify right side
    3,027.76x = 8,759,198.39
  5. Step 5: Solve for x
    x = 8,759,198.39/3,027.76
  6. Step 6: Final answer
    x = 2,892.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.