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Finding the Fourth Proportional to 37,161.60, 55,761.60 and 16,387.20

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Solution

The fourth proportional to 37,161.60, 55,761.60 and 16,387.20 is: 24,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161.60 : 55,761.60 = 16,387.20 : x
  2. Step 2: Convert to fraction form
    37,161.60/55,761.60 = 16,387.20/x
  3. Step 3: Cross multiply
    37,161.60x = 55,761.60 × 16,387.20
  4. Step 4: Simplify right side
    37,161.60x = 913,776,491.52
  5. Step 5: Solve for x
    x = 913,776,491.52/37,161.60
  6. Step 6: Final answer
    x = 24,589.27

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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.