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Finding the Fourth Proportional to 43,876.88, 65,815.26 and 14,294.67

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Solution

The fourth proportional to 43,876.88, 65,815.26 and 14,294.67 is: 21,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.88 : 65,815.26 = 14,294.67 : x
  2. Step 2: Convert to fraction form
    43,876.88/65,815.26 = 14,294.67/x
  3. Step 3: Cross multiply
    43,876.88x = 65,815.26 × 14,294.67
  4. Step 4: Simplify right side
    43,876.88x = 940,807,422.66
  5. Step 5: Solve for x
    x = 940,807,422.66/43,876.88
  6. Step 6: Final answer
    x = 21,441.99

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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.