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Finding the Fourth Proportional to 2,283.35, 3,425.43 and 896.77

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Solution

The fourth proportional to 2,283.35, 3,425.43 and 896.77 is: 1,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.35 : 3,425.43 = 896.77 : x
  2. Step 2: Convert to fraction form
    2,283.35/3,425.43 = 896.77/x
  3. Step 3: Cross multiply
    2,283.35x = 3,425.43 × 896.77
  4. Step 4: Simplify right side
    2,283.35x = 3,071,805.73
  5. Step 5: Solve for x
    x = 3,071,805.73/2,283.35
  6. Step 6: Final answer
    x = 1,345.31

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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.