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Finding the Fourth Proportional to 43,808.20, 65,693.10 and 17,504.20

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Solution

The fourth proportional to 43,808.20, 65,693.10 and 17,504.20 is: 26,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.20 : 65,693.10 = 17,504.20 : x
  2. Step 2: Convert to fraction form
    43,808.20/65,693.10 = 17,504.20/x
  3. Step 3: Cross multiply
    43,808.20x = 65,693.10 × 17,504.20
  4. Step 4: Simplify right side
    43,808.20x = 1,149,905,161.02
  5. Step 5: Solve for x
    x = 1,149,905,161.02/43,808.20
  6. Step 6: Final answer
    x = 26,248.63

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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.