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Finding the Fourth Proportional to 43,466.88, 65,208.48 and 17,171.84

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Solution

The fourth proportional to 43,466.88, 65,208.48 and 17,171.84 is: 25,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,466.88 : 65,208.48 = 17,171.84 : x
  2. Step 2: Convert to fraction form
    43,466.88/65,208.48 = 17,171.84/x
  3. Step 3: Cross multiply
    43,466.88x = 65,208.48 × 17,171.84
  4. Step 4: Simplify right side
    43,466.88x = 1,119,749,585.20
  5. Step 5: Solve for x
    x = 1,119,749,585.20/43,466.88
  6. Step 6: Final answer
    x = 25,760.98

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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.