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Finding the Fourth Proportional to 43,998.40, 65,973.30 and 17,673.40

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Solution

The fourth proportional to 43,998.40, 65,973.30 and 17,673.40 is: 26,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.40 : 65,973.30 = 17,673.40 : x
  2. Step 2: Convert to fraction form
    43,998.40/65,973.30 = 17,673.40/x
  3. Step 3: Cross multiply
    43,998.40x = 65,973.30 × 17,673.40
  4. Step 4: Simplify right side
    43,998.40x = 1,165,972,520.22
  5. Step 5: Solve for x
    x = 1,165,972,520.22/43,998.40
  6. Step 6: Final answer
    x = 26,500.34

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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.