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Finding the Fourth Proportional to 80,407.48, 110,969.12 and 44,609

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Solution

The fourth proportional to 80,407.48, 110,969.12 and 44,609 is: 61,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407.48 : 110,969.12 = 44,609 : x
  2. Step 2: Convert to fraction form
    80,407.48/110,969.12 = 44,609/x
  3. Step 3: Cross multiply
    80,407.48x = 110,969.12 × 44,609
  4. Step 4: Simplify right side
    80,407.48x = 4,950,221,474.08
  5. Step 5: Solve for x
    x = 4,950,221,474.08/80,407.48
  6. Step 6: Final answer
    x = 61,564.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.