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Finding the Fourth Proportional to 5,661.52, 8,492.44 and 1,963.84

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Solution

The fourth proportional to 5,661.52, 8,492.44 and 1,963.84 is: 2,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.52 : 8,492.44 = 1,963.84 : x
  2. Step 2: Convert to fraction form
    5,661.52/8,492.44 = 1,963.84/x
  3. Step 3: Cross multiply
    5,661.52x = 8,492.44 × 1,963.84
  4. Step 4: Simplify right side
    5,661.52x = 16,677,793.37
  5. Step 5: Solve for x
    x = 16,677,793.37/5,661.52
  6. Step 6: Final answer
    x = 2,945.82

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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.