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Finding the Fourth Proportional to 18,590.58, 27,882.57 and 8,054.70

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Solution

The fourth proportional to 18,590.58, 27,882.57 and 8,054.70 is: 12,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.58 : 27,882.57 = 8,054.70 : x
  2. Step 2: Convert to fraction form
    18,590.58/27,882.57 = 8,054.70/x
  3. Step 3: Cross multiply
    18,590.58x = 27,882.57 × 8,054.70
  4. Step 4: Simplify right side
    18,590.58x = 224,585,736.58
  5. Step 5: Solve for x
    x = 224,585,736.58/18,590.58
  6. Step 6: Final answer
    x = 12,080.62

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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.