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Finding the Fourth Proportional to 22,277.88, 30,738.06 and 12,341.88

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Solution

The fourth proportional to 22,277.88, 30,738.06 and 12,341.88 is: 17,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.88 : 30,738.06 = 12,341.88 : x
  2. Step 2: Convert to fraction form
    22,277.88/30,738.06 = 12,341.88/x
  3. Step 3: Cross multiply
    22,277.88x = 30,738.06 × 12,341.88
  4. Step 4: Simplify right side
    22,277.88x = 379,365,447.95
  5. Step 5: Solve for x
    x = 379,365,447.95/22,277.88
  6. Step 6: Final answer
    x = 17,028.79

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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.