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Finding the Fourth Proportional to 3,512.88, 4,848.06 and 1,941

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Solution

The fourth proportional to 3,512.88, 4,848.06 and 1,941 is: 2,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.88 : 4,848.06 = 1,941 : x
  2. Step 2: Convert to fraction form
    3,512.88/4,848.06 = 1,941/x
  3. Step 3: Cross multiply
    3,512.88x = 4,848.06 × 1,941
  4. Step 4: Simplify right side
    3,512.88x = 9,410,084.46
  5. Step 5: Solve for x
    x = 9,410,084.46/3,512.88
  6. Step 6: Final answer
    x = 2,678.74

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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.