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Finding the Fourth Proportional to 1,202.26, 1,659.10 and 736.50

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Solution

The fourth proportional to 1,202.26, 1,659.10 and 736.50 is: 1,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.26 : 1,659.10 = 736.50 : x
  2. Step 2: Convert to fraction form
    1,202.26/1,659.10 = 736.50/x
  3. Step 3: Cross multiply
    1,202.26x = 1,659.10 × 736.50
  4. Step 4: Simplify right side
    1,202.26x = 1,221,927.15
  5. Step 5: Solve for x
    x = 1,221,927.15/1,202.26
  6. Step 6: Final answer
    x = 1,016.36

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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.