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Finding the Fourth Proportional to 24,761.80, 37,056.30 and 16,985.80

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Solution

The fourth proportional to 24,761.80, 37,056.30 and 16,985.80 is: 25,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,761.80 : 37,056.30 = 16,985.80 : x
  2. Step 2: Convert to fraction form
    24,761.80/37,056.30 = 16,985.80/x
  3. Step 3: Cross multiply
    24,761.80x = 37,056.30 × 16,985.80
  4. Step 4: Simplify right side
    24,761.80x = 629,430,900.54
  5. Step 5: Solve for x
    x = 629,430,900.54/24,761.80
  6. Step 6: Final answer
    x = 25,419.43

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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.