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Finding the Fourth Proportional to 43,904.88, 65,850.62 and 14,322.67

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Solution

The fourth proportional to 43,904.88, 65,850.62 and 14,322.67 is: 21,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904.88 : 65,850.62 = 14,322.67 : x
  2. Step 2: Convert to fraction form
    43,904.88/65,850.62 = 14,322.67/x
  3. Step 3: Cross multiply
    43,904.88x = 65,850.62 × 14,322.67
  4. Step 4: Simplify right side
    43,904.88x = 943,156,463.32
  5. Step 5: Solve for x
    x = 943,156,463.32/43,904.88
  6. Step 6: Final answer
    x = 21,481.81

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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.