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Finding the Fourth Proportional to 11,328.96, 16,992.11 and 3,009.62

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Solution

The fourth proportional to 11,328.96, 16,992.11 and 3,009.62 is: 4,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.96 : 16,992.11 = 3,009.62 : x
  2. Step 2: Convert to fraction form
    11,328.96/16,992.11 = 3,009.62/x
  3. Step 3: Cross multiply
    11,328.96x = 16,992.11 × 3,009.62
  4. Step 4: Simplify right side
    11,328.96x = 51,139,794.10
  5. Step 5: Solve for x
    x = 51,139,794.10/11,328.96
  6. Step 6: Final answer
    x = 4,514.08

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Double scale
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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.