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Finding the Fourth Proportional to 80,428.25, 110,974.51 and 44,610.59

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Solution

The fourth proportional to 80,428.25, 110,974.51 and 44,610.59 is: 61,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,428.25 : 110,974.51 = 44,610.59 : x
  2. Step 2: Convert to fraction form
    80,428.25/110,974.51 = 44,610.59/x
  3. Step 3: Cross multiply
    80,428.25x = 110,974.51 × 44,610.59
  4. Step 4: Simplify right side
    80,428.25x = 4,950,638,366.06
  5. Step 5: Solve for x
    x = 4,950,638,366.06/80,428.25
  6. Step 6: Final answer
    x = 61,553.48

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1.5x scale

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.