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Finding the Fourth Proportional to 27,403.80, 37,820.43 and 22,796.43

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Solution

The fourth proportional to 27,403.80, 37,820.43 and 22,796.43 is: 31,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.80 : 37,820.43 = 22,796.43 : x
  2. Step 2: Convert to fraction form
    27,403.80/37,820.43 = 22,796.43/x
  3. Step 3: Cross multiply
    27,403.80x = 37,820.43 × 22,796.43
  4. Step 4: Simplify right side
    27,403.80x = 862,170,671.08
  5. Step 5: Solve for x
    x = 862,170,671.08/27,403.80
  6. Step 6: Final answer
    x = 31,461.73

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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.