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Finding the Fourth Proportional to 37,407.96, 55,747.32 and 36,328.44

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Solution

The fourth proportional to 37,407.96, 55,747.32 and 36,328.44 is: 54,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.96 : 55,747.32 = 36,328.44 : x
  2. Step 2: Convert to fraction form
    37,407.96/55,747.32 = 36,328.44/x
  3. Step 3: Cross multiply
    37,407.96x = 55,747.32 × 36,328.44
  4. Step 4: Simplify right side
    37,407.96x = 2,025,213,169.78
  5. Step 5: Solve for x
    x = 2,025,213,169.78/37,407.96
  6. Step 6: Final answer
    x = 54,138.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.