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Finding the Fourth Proportional to 43,599.97, 65,406.10 and 14,007.88

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Solution

The fourth proportional to 43,599.97, 65,406.10 and 14,007.88 is: 21,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.97 : 65,406.10 = 14,007.88 : x
  2. Step 2: Convert to fraction form
    43,599.97/65,406.10 = 14,007.88/x
  3. Step 3: Cross multiply
    43,599.97x = 65,406.10 × 14,007.88
  4. Step 4: Simplify right side
    43,599.97x = 916,200,800.07
  5. Step 5: Solve for x
    x = 916,200,800.07/43,599.97
  6. Step 6: Final answer
    x = 21,013.79

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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.