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Finding the Fourth Proportional to 2,696.89, 3,717.48 and 2,470.90

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Solution

The fourth proportional to 2,696.89, 3,717.48 and 2,470.90 is: 3,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.89 : 3,717.48 = 2,470.90 : x
  2. Step 2: Convert to fraction form
    2,696.89/3,717.48 = 2,470.90/x
  3. Step 3: Cross multiply
    2,696.89x = 3,717.48 × 2,470.90
  4. Step 4: Simplify right side
    2,696.89x = 9,185,521.33
  5. Step 5: Solve for x
    x = 9,185,521.33/2,696.89
  6. Step 6: Final answer
    x = 3,405.97

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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.