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Finding the Fourth Proportional to 44,481.76, 66,726.18 and 12,892.37

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Solution

The fourth proportional to 44,481.76, 66,726.18 and 12,892.37 is: 19,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,481.76 : 66,726.18 = 12,892.37 : x
  2. Step 2: Convert to fraction form
    44,481.76/66,726.18 = 12,892.37/x
  3. Step 3: Cross multiply
    44,481.76x = 66,726.18 × 12,892.37
  4. Step 4: Simplify right side
    44,481.76x = 860,258,267.62
  5. Step 5: Solve for x
    x = 860,258,267.62/44,481.76
  6. Step 6: Final answer
    x = 19,339.57

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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.