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Finding the Fourth Proportional to 59,291.54, 81,843.16 and 36,647.90

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Solution

The fourth proportional to 59,291.54, 81,843.16 and 36,647.90 is: 50,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,291.54 : 81,843.16 = 36,647.90 : x
  2. Step 2: Convert to fraction form
    59,291.54/81,843.16 = 36,647.90/x
  3. Step 3: Cross multiply
    59,291.54x = 81,843.16 × 36,647.90
  4. Step 4: Simplify right side
    59,291.54x = 2,999,379,943.36
  5. Step 5: Solve for x
    x = 2,999,379,943.36/59,291.54
  6. Step 6: Final answer
    x = 50,586.98

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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.