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Finding the Fourth Proportional to 37,369.98, 56,043.99 and 13,990.95

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Solution

The fourth proportional to 37,369.98, 56,043.99 and 13,990.95 is: 20,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,369.98 : 56,043.99 = 13,990.95 : x
  2. Step 2: Convert to fraction form
    37,369.98/56,043.99 = 13,990.95/x
  3. Step 3: Cross multiply
    37,369.98x = 56,043.99 × 13,990.95
  4. Step 4: Simplify right side
    37,369.98x = 784,108,661.89
  5. Step 5: Solve for x
    x = 784,108,661.89/37,369.98
  6. Step 6: Final answer
    x = 20,982.31

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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.