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Finding the Fourth Proportional to 18,841.44, 28,262.16 and 10,049.72

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Solution

The fourth proportional to 18,841.44, 28,262.16 and 10,049.72 is: 15,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.44 : 28,262.16 = 10,049.72 : x
  2. Step 2: Convert to fraction form
    18,841.44/28,262.16 = 10,049.72/x
  3. Step 3: Cross multiply
    18,841.44x = 28,262.16 × 10,049.72
  4. Step 4: Simplify right side
    18,841.44x = 284,026,794.60
  5. Step 5: Solve for x
    x = 284,026,794.60/18,841.44
  6. Step 6: Final answer
    x = 15,074.58

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Similar ratio
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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.