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Finding the Fourth Proportional to 1,334.22, 1,841.16 and 736.74

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Solution

The fourth proportional to 1,334.22, 1,841.16 and 736.74 is: 1,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.22 : 1,841.16 = 736.74 : x
  2. Step 2: Convert to fraction form
    1,334.22/1,841.16 = 736.74/x
  3. Step 3: Cross multiply
    1,334.22x = 1,841.16 × 736.74
  4. Step 4: Simplify right side
    1,334.22x = 1,356,456.22
  5. Step 5: Solve for x
    x = 1,356,456.22/1,334.22
  6. Step 6: Final answer
    x = 1,016.67

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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.