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Finding the Fourth Proportional to 6,857.73, 10,285.92 and 1,927.26

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Solution

The fourth proportional to 6,857.73, 10,285.92 and 1,927.26 is: 2,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.73 : 10,285.92 = 1,927.26 : x
  2. Step 2: Convert to fraction form
    6,857.73/10,285.92 = 1,927.26/x
  3. Step 3: Cross multiply
    6,857.73x = 10,285.92 × 1,927.26
  4. Step 4: Simplify right side
    6,857.73x = 19,823,642.18
  5. Step 5: Solve for x
    x = 19,823,642.18/6,857.73
  6. Step 6: Final answer
    x = 2,890.70

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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.