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Finding the Fourth Proportional to 2,086.02, 2,879.64 and 1,341

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Solution

The fourth proportional to 2,086.02, 2,879.64 and 1,341 is: 1,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.02 : 2,879.64 = 1,341 : x
  2. Step 2: Convert to fraction form
    2,086.02/2,879.64 = 1,341/x
  3. Step 3: Cross multiply
    2,086.02x = 2,879.64 × 1,341
  4. Step 4: Simplify right side
    2,086.02x = 3,861,597.24
  5. Step 5: Solve for x
    x = 3,861,597.24/2,086.02
  6. Step 6: Final answer
    x = 1,851.18

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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.