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Finding the Fourth Proportional to 43,995.98, 65,977.88 and 15,909.30

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Solution

The fourth proportional to 43,995.98, 65,977.88 and 15,909.30 is: 23,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.98 : 65,977.88 = 15,909.30 : x
  2. Step 2: Convert to fraction form
    43,995.98/65,977.88 = 15,909.30/x
  3. Step 3: Cross multiply
    43,995.98x = 65,977.88 × 15,909.30
  4. Step 4: Simplify right side
    43,995.98x = 1,049,661,806.74
  5. Step 5: Solve for x
    x = 1,049,661,806.74/43,995.98
  6. Step 6: Final answer
    x = 23,858.13

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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.