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Finding the Fourth Proportional to 27,245.58, 37,619.90 and 21,963.98

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Solution

The fourth proportional to 27,245.58, 37,619.90 and 21,963.98 is: 30,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.58 : 37,619.90 = 21,963.98 : x
  2. Step 2: Convert to fraction form
    27,245.58/37,619.90 = 21,963.98/x
  3. Step 3: Cross multiply
    27,245.58x = 37,619.90 × 21,963.98
  4. Step 4: Simplify right side
    27,245.58x = 826,282,731.20
  5. Step 5: Solve for x
    x = 826,282,731.20/27,245.58
  6. Step 6: Final answer
    x = 30,327.22

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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.