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Finding the Fourth Proportional to 37,805.94, 52,169.10 and 21,891.39

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Solution

The fourth proportional to 37,805.94, 52,169.10 and 21,891.39 is: 30,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.94 : 52,169.10 = 21,891.39 : x
  2. Step 2: Convert to fraction form
    37,805.94/52,169.10 = 21,891.39/x
  3. Step 3: Cross multiply
    37,805.94x = 52,169.10 × 21,891.39
  4. Step 4: Simplify right side
    37,805.94x = 1,142,054,114.05
  5. Step 5: Solve for x
    x = 1,142,054,114.05/37,805.94
  6. Step 6: Final answer
    x = 30,208.32

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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.