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Finding the Fourth Proportional to 29,845.88, 44,763.32 and 12,071.88

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Solution

The fourth proportional to 29,845.88, 44,763.32 and 12,071.88 is: 18,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,845.88 : 44,763.32 = 12,071.88 : x
  2. Step 2: Convert to fraction form
    29,845.88/44,763.32 = 12,071.88/x
  3. Step 3: Cross multiply
    29,845.88x = 44,763.32 × 12,071.88
  4. Step 4: Simplify right side
    29,845.88x = 540,377,427.44
  5. Step 5: Solve for x
    x = 540,377,427.44/29,845.88
  6. Step 6: Final answer
    x = 18,105.60

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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.