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Finding the Fourth Proportional to 2,374.94, 3,559.88 and 1,205.81

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Solution

The fourth proportional to 2,374.94, 3,559.88 and 1,205.81 is: 1,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.94 : 3,559.88 = 1,205.81 : x
  2. Step 2: Convert to fraction form
    2,374.94/3,559.88 = 1,205.81/x
  3. Step 3: Cross multiply
    2,374.94x = 3,559.88 × 1,205.81
  4. Step 4: Simplify right side
    2,374.94x = 4,292,532.87
  5. Step 5: Solve for x
    x = 4,292,532.87/2,374.94
  6. Step 6: Final answer
    x = 1,807.43

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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.