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Finding the Fourth Proportional to 18,841.82, 28,262.86 and 5,693.99

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Solution

The fourth proportional to 18,841.82, 28,262.86 and 5,693.99 is: 8,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.82 : 28,262.86 = 5,693.99 : x
  2. Step 2: Convert to fraction form
    18,841.82/28,262.86 = 5,693.99/x
  3. Step 3: Cross multiply
    18,841.82x = 28,262.86 × 5,693.99
  4. Step 4: Simplify right side
    18,841.82x = 160,928,286.66
  5. Step 5: Solve for x
    x = 160,928,286.66/18,841.82
  6. Step 6: Final answer
    x = 8,541.02

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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.