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Finding the Fourth Proportional to 36,539.74, 50,424.90 and 19,772.74

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Solution

The fourth proportional to 36,539.74, 50,424.90 and 19,772.74 is: 27,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,539.74 : 50,424.90 = 19,772.74 : x
  2. Step 2: Convert to fraction form
    36,539.74/50,424.90 = 19,772.74/x
  3. Step 3: Cross multiply
    36,539.74x = 50,424.90 × 19,772.74
  4. Step 4: Simplify right side
    36,539.74x = 997,038,437.23
  5. Step 5: Solve for x
    x = 997,038,437.23/36,539.74
  6. Step 6: Final answer
    x = 27,286.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.