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Finding the Fourth Proportional to 2,395.41, 3,305.66 and 1,347.48

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Solution

The fourth proportional to 2,395.41, 3,305.66 and 1,347.48 is: 1,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.41 : 3,305.66 = 1,347.48 : x
  2. Step 2: Convert to fraction form
    2,395.41/3,305.66 = 1,347.48/x
  3. Step 3: Cross multiply
    2,395.41x = 3,305.66 × 1,347.48
  4. Step 4: Simplify right side
    2,395.41x = 4,454,300.10
  5. Step 5: Solve for x
    x = 4,454,300.10/2,395.41
  6. Step 6: Final answer
    x = 1,859.51

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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.