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Finding the Fourth Proportional to 43,765.98, 65,645.72 and 17,106.99

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Solution

The fourth proportional to 43,765.98, 65,645.72 and 17,106.99 is: 25,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.98 : 65,645.72 = 17,106.99 : x
  2. Step 2: Convert to fraction form
    43,765.98/65,645.72 = 17,106.99/x
  3. Step 3: Cross multiply
    43,765.98x = 65,645.72 × 17,106.99
  4. Step 4: Simplify right side
    43,765.98x = 1,123,000,675.58
  5. Step 5: Solve for x
    x = 1,123,000,675.58/43,765.98
  6. Step 6: Final answer
    x = 25,659.21

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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.