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Finding the Fourth Proportional to 43,881.54, 65,812.14 and 12,293.82

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Solution

The fourth proportional to 43,881.54, 65,812.14 and 12,293.82 is: 18,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,881.54 : 65,812.14 = 12,293.82 : x
  2. Step 2: Convert to fraction form
    43,881.54/65,812.14 = 12,293.82/x
  3. Step 3: Cross multiply
    43,881.54x = 65,812.14 × 12,293.82
  4. Step 4: Simplify right side
    43,881.54x = 809,082,602.97
  5. Step 5: Solve for x
    x = 809,082,602.97/43,881.54
  6. Step 6: Final answer
    x = 18,437.88

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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.