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Finding the Fourth Proportional to 36,572.68, 50,470.30 and 19,805.68

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Solution

The fourth proportional to 36,572.68, 50,470.30 and 19,805.68 is: 27,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,572.68 : 50,470.30 = 19,805.68 : x
  2. Step 2: Convert to fraction form
    36,572.68/50,470.30 = 19,805.68/x
  3. Step 3: Cross multiply
    36,572.68x = 50,470.30 × 19,805.68
  4. Step 4: Simplify right side
    36,572.68x = 999,598,611.30
  5. Step 5: Solve for x
    x = 999,598,611.30/36,572.68
  6. Step 6: Final answer
    x = 27,331.84

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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.