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Finding the Fourth Proportional to 1,883.71, 2,825.56 and 1,234.29

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Solution

The fourth proportional to 1,883.71, 2,825.56 and 1,234.29 is: 1,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.71 : 2,825.56 = 1,234.29 : x
  2. Step 2: Convert to fraction form
    1,883.71/2,825.56 = 1,234.29/x
  3. Step 3: Cross multiply
    1,883.71x = 2,825.56 × 1,234.29
  4. Step 4: Simplify right side
    1,883.71x = 3,487,553.23
  5. Step 5: Solve for x
    x = 3,487,553.23/1,883.71
  6. Step 6: Final answer
    x = 1,851.43

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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.