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Finding the Fourth Proportional to 1,036.70, 1,553.07 and 882.26

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Solution

The fourth proportional to 1,036.70, 1,553.07 and 882.26 is: 1,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.70 : 1,553.07 = 882.26 : x
  2. Step 2: Convert to fraction form
    1,036.70/1,553.07 = 882.26/x
  3. Step 3: Cross multiply
    1,036.70x = 1,553.07 × 882.26
  4. Step 4: Simplify right side
    1,036.70x = 1,370,211.54
  5. Step 5: Solve for x
    x = 1,370,211.54/1,036.70
  6. Step 6: Final answer
    x = 1,321.70

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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.