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Finding the Fourth Proportional to 3,392.75, 4,682.27 and 1,901.00

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Solution

The fourth proportional to 3,392.75, 4,682.27 and 1,901.00 is: 2,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.75 : 4,682.27 = 1,901.00 : x
  2. Step 2: Convert to fraction form
    3,392.75/4,682.27 = 1,901.00/x
  3. Step 3: Cross multiply
    3,392.75x = 4,682.27 × 1,901.00
  4. Step 4: Simplify right side
    3,392.75x = 8,901,011.73
  5. Step 5: Solve for x
    x = 8,901,011.73/3,392.75
  6. Step 6: Final answer
    x = 2,623.54

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Half scale
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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.