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Finding the Fourth Proportional to 37,149.80, 55,731.90 and 16,089.80

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Solution

The fourth proportional to 37,149.80, 55,731.90 and 16,089.80 is: 24,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.80 : 55,731.90 = 16,089.80 : x
  2. Step 2: Convert to fraction form
    37,149.80/55,731.90 = 16,089.80/x
  3. Step 3: Cross multiply
    37,149.80x = 55,731.90 × 16,089.80
  4. Step 4: Simplify right side
    37,149.80x = 896,715,124.62
  5. Step 5: Solve for x
    x = 896,715,124.62/37,149.80
  6. Step 6: Final answer
    x = 24,137.82

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1.5x scale

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.