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Finding the Fourth Proportional to 18,563.46, 27,845.18 and 6,714.47

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Solution

The fourth proportional to 18,563.46, 27,845.18 and 6,714.47 is: 10,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.46 : 27,845.18 = 6,714.47 : x
  2. Step 2: Convert to fraction form
    18,563.46/27,845.18 = 6,714.47/x
  3. Step 3: Cross multiply
    18,563.46x = 27,845.18 × 6,714.47
  4. Step 4: Simplify right side
    18,563.46x = 186,965,452.96
  5. Step 5: Solve for x
    x = 186,965,452.96/18,563.46
  6. Step 6: Final answer
    x = 10,071.69

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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.