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Finding the Fourth Proportional to 22,273.60, 30,736.80 and 12,337.60

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Solution

The fourth proportional to 22,273.60, 30,736.80 and 12,337.60 is: 17,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.60 : 30,736.80 = 12,337.60 : x
  2. Step 2: Convert to fraction form
    22,273.60/30,736.80 = 12,337.60/x
  3. Step 3: Cross multiply
    22,273.60x = 30,736.80 × 12,337.60
  4. Step 4: Simplify right side
    22,273.60x = 379,218,343.68
  5. Step 5: Solve for x
    x = 379,218,343.68/22,273.60
  6. Step 6: Final answer
    x = 17,025.46

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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.