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Finding the Fourth Proportional to 59,172.93, 81,648 and 36,493.74

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Solution

The fourth proportional to 59,172.93, 81,648 and 36,493.74 is: 50,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,172.93 : 81,648 = 36,493.74 : x
  2. Step 2: Convert to fraction form
    59,172.93/81,648 = 36,493.74/x
  3. Step 3: Cross multiply
    59,172.93x = 81,648 × 36,493.74
  4. Step 4: Simplify right side
    59,172.93x = 2,979,640,883.52
  5. Step 5: Solve for x
    x = 2,979,640,883.52/59,172.93
  6. Step 6: Final answer
    x = 50,354.80

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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.