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Finding the Fourth Proportional to 16,618.80, 24,928.20 and 11,054.10

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Solution

The fourth proportional to 16,618.80, 24,928.20 and 11,054.10 is: 16,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.80 : 24,928.20 = 11,054.10 : x
  2. Step 2: Convert to fraction form
    16,618.80/24,928.20 = 11,054.10/x
  3. Step 3: Cross multiply
    16,618.80x = 24,928.20 × 11,054.10
  4. Step 4: Simplify right side
    16,618.80x = 275,558,815.62
  5. Step 5: Solve for x
    x = 275,558,815.62/16,618.80
  6. Step 6: Final answer
    x = 16,581.15

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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.