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Finding the Fourth Proportional to 18,397.56, 27,596.38 and 4,546.56

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Solution

The fourth proportional to 18,397.56, 27,596.38 and 4,546.56 is: 6,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.56 : 27,596.38 = 4,546.56 : x
  2. Step 2: Convert to fraction form
    18,397.56/27,596.38 = 4,546.56/x
  3. Step 3: Cross multiply
    18,397.56x = 27,596.38 × 4,546.56
  4. Step 4: Simplify right side
    18,397.56x = 125,468,597.45
  5. Step 5: Solve for x
    x = 125,468,597.45/18,397.56
  6. Step 6: Final answer
    x = 6,819.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.