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Finding the Fourth Proportional to 11,636.08, 16,051.08 and 7,379.44

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Solution

The fourth proportional to 11,636.08, 16,051.08 and 7,379.44 is: 10,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.08 : 16,051.08 = 7,379.44 : x
  2. Step 2: Convert to fraction form
    11,636.08/16,051.08 = 7,379.44/x
  3. Step 3: Cross multiply
    11,636.08x = 16,051.08 × 7,379.44
  4. Step 4: Simplify right side
    11,636.08x = 118,447,981.80
  5. Step 5: Solve for x
    x = 118,447,981.80/11,636.08
  6. Step 6: Final answer
    x = 10,179.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.