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Finding the Fourth Proportional to 29,523.60, 44,263.52 and 11,992

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Solution

The fourth proportional to 29,523.60, 44,263.52 and 11,992 is: 17,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,523.60 : 44,263.52 = 11,992 : x
  2. Step 2: Convert to fraction form
    29,523.60/44,263.52 = 11,992/x
  3. Step 3: Cross multiply
    29,523.60x = 44,263.52 × 11,992
  4. Step 4: Simplify right side
    29,523.60x = 530,808,131.84
  5. Step 5: Solve for x
    x = 530,808,131.84/29,523.60
  6. Step 6: Final answer
    x = 17,979.11

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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.