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Finding the Fourth Proportional to 23,173.80, 34,687.80 and 16,612.80

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Solution

The fourth proportional to 23,173.80, 34,687.80 and 16,612.80 is: 24,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.80 : 34,687.80 = 16,612.80 : x
  2. Step 2: Convert to fraction form
    23,173.80/34,687.80 = 16,612.80/x
  3. Step 3: Cross multiply
    23,173.80x = 34,687.80 × 16,612.80
  4. Step 4: Simplify right side
    23,173.80x = 576,261,483.84
  5. Step 5: Solve for x
    x = 576,261,483.84/23,173.80
  6. Step 6: Final answer
    x = 24,866.94

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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.