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Finding the Fourth Proportional to 43,655.49, 65,494.17 and 14,072.67

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Solution

The fourth proportional to 43,655.49, 65,494.17 and 14,072.67 is: 21,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655.49 : 65,494.17 = 14,072.67 : x
  2. Step 2: Convert to fraction form
    43,655.49/65,494.17 = 14,072.67/x
  3. Step 3: Cross multiply
    43,655.49x = 65,494.17 × 14,072.67
  4. Step 4: Simplify right side
    43,655.49x = 921,677,841.33
  5. Step 5: Solve for x
    x = 921,677,841.33/43,655.49
  6. Step 6: Final answer
    x = 21,112.53

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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.