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Finding the Fourth Proportional to 37,259.80, 55,905.90 and 18,791.80

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Solution

The fourth proportional to 37,259.80, 55,905.90 and 18,791.80 is: 28,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,259.80 : 55,905.90 = 18,791.80 : x
  2. Step 2: Convert to fraction form
    37,259.80/55,905.90 = 18,791.80/x
  3. Step 3: Cross multiply
    37,259.80x = 55,905.90 × 18,791.80
  4. Step 4: Simplify right side
    37,259.80x = 1,050,572,491.62
  5. Step 5: Solve for x
    x = 1,050,572,491.62/37,259.80
  6. Step 6: Final answer
    x = 28,195.87

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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.