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Finding the Fourth Proportional to 11,055.15, 16,582.74 and 9,103.26

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Solution

The fourth proportional to 11,055.15, 16,582.74 and 9,103.26 is: 13,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.15 : 16,582.74 = 9,103.26 : x
  2. Step 2: Convert to fraction form
    11,055.15/16,582.74 = 9,103.26/x
  3. Step 3: Cross multiply
    11,055.15x = 16,582.74 × 9,103.26
  4. Step 4: Simplify right side
    11,055.15x = 150,956,993.73
  5. Step 5: Solve for x
    x = 150,956,993.73/11,055.15
  6. Step 6: Final answer
    x = 13,654.90

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Double scale
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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.