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Finding the Fourth Proportional to 3,952.94, 5,932.33 and 1,872.95

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Solution

The fourth proportional to 3,952.94, 5,932.33 and 1,872.95 is: 2,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.94 : 5,932.33 = 1,872.95 : x
  2. Step 2: Convert to fraction form
    3,952.94/5,932.33 = 1,872.95/x
  3. Step 3: Cross multiply
    3,952.94x = 5,932.33 × 1,872.95
  4. Step 4: Simplify right side
    3,952.94x = 11,110,918.45
  5. Step 5: Solve for x
    x = 11,110,918.45/3,952.94
  6. Step 6: Final answer
    x = 2,810.80

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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.