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Finding the Fourth Proportional to 11,952.36, 16,489.80 and 7,474.41

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Solution

The fourth proportional to 11,952.36, 16,489.80 and 7,474.41 is: 10,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.36 : 16,489.80 = 7,474.41 : x
  2. Step 2: Convert to fraction form
    11,952.36/16,489.80 = 7,474.41/x
  3. Step 3: Cross multiply
    11,952.36x = 16,489.80 × 7,474.41
  4. Step 4: Simplify right side
    11,952.36x = 123,251,526.02
  5. Step 5: Solve for x
    x = 123,251,526.02/11,952.36
  6. Step 6: Final answer
    x = 10,311.90

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1.5x scale

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.