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Finding the Fourth Proportional to 2,395.66, 3,305.90 and 1,333.49

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Solution

The fourth proportional to 2,395.66, 3,305.90 and 1,333.49 is: 1,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.66 : 3,305.90 = 1,333.49 : x
  2. Step 2: Convert to fraction form
    2,395.66/3,305.90 = 1,333.49/x
  3. Step 3: Cross multiply
    2,395.66x = 3,305.90 × 1,333.49
  4. Step 4: Simplify right side
    2,395.66x = 4,408,384.59
  5. Step 5: Solve for x
    x = 4,408,384.59/2,395.66
  6. Step 6: Final answer
    x = 1,840.15

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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.