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Finding the Fourth Proportional to 5,671.94, 8,507.37 and 1,974.02

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Solution

The fourth proportional to 5,671.94, 8,507.37 and 1,974.02 is: 2,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.94 : 8,507.37 = 1,974.02 : x
  2. Step 2: Convert to fraction form
    5,671.94/8,507.37 = 1,974.02/x
  3. Step 3: Cross multiply
    5,671.94x = 8,507.37 × 1,974.02
  4. Step 4: Simplify right side
    5,671.94x = 16,793,718.53
  5. Step 5: Solve for x
    x = 16,793,718.53/5,671.94
  6. Step 6: Final answer
    x = 2,960.84

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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.