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Finding the Fourth Proportional to 34,821.48, 52,232.10 and 12,634.80

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Solution

The fourth proportional to 34,821.48, 52,232.10 and 12,634.80 is: 18,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.48 : 52,232.10 = 12,634.80 : x
  2. Step 2: Convert to fraction form
    34,821.48/52,232.10 = 12,634.80/x
  3. Step 3: Cross multiply
    34,821.48x = 52,232.10 × 12,634.80
  4. Step 4: Simplify right side
    34,821.48x = 659,942,137.08
  5. Step 5: Solve for x
    x = 659,942,137.08/34,821.48
  6. Step 6: Final answer
    x = 18,952.16

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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.