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Finding the Fourth Proportional to 2,313.66, 3,470.37 and 852.69

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Solution

The fourth proportional to 2,313.66, 3,470.37 and 852.69 is: 1,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.66 : 3,470.37 = 852.69 : x
  2. Step 2: Convert to fraction form
    2,313.66/3,470.37 = 852.69/x
  3. Step 3: Cross multiply
    2,313.66x = 3,470.37 × 852.69
  4. Step 4: Simplify right side
    2,313.66x = 2,959,149.80
  5. Step 5: Solve for x
    x = 2,959,149.80/2,313.66
  6. Step 6: Final answer
    x = 1,278.99

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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.