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Finding the Fourth Proportional to 3,521.06, 4,859.06 and 1,927.73

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Solution

The fourth proportional to 3,521.06, 4,859.06 and 1,927.73 is: 2,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.06 : 4,859.06 = 1,927.73 : x
  2. Step 2: Convert to fraction form
    3,521.06/4,859.06 = 1,927.73/x
  3. Step 3: Cross multiply
    3,521.06x = 4,859.06 × 1,927.73
  4. Step 4: Simplify right side
    3,521.06x = 9,366,921.80
  5. Step 5: Solve for x
    x = 9,366,921.80/3,521.06
  6. Step 6: Final answer
    x = 2,660.26

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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.