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Finding the Fourth Proportional to 2,663.35, 3,670.02 and 2,062.21

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Solution

The fourth proportional to 2,663.35, 3,670.02 and 2,062.21 is: 2,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.35 : 3,670.02 = 2,062.21 : x
  2. Step 2: Convert to fraction form
    2,663.35/3,670.02 = 2,062.21/x
  3. Step 3: Cross multiply
    2,663.35x = 3,670.02 × 2,062.21
  4. Step 4: Simplify right side
    2,663.35x = 7,568,351.94
  5. Step 5: Solve for x
    x = 7,568,351.94/2,663.35
  6. Step 6: Final answer
    x = 2,841.67

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1.5x scale

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.