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Finding the Fourth Proportional to 11,809.08, 17,735.49 and 9,359.64

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Solution

The fourth proportional to 11,809.08, 17,735.49 and 9,359.64 is: 14,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.08 : 17,735.49 = 9,359.64 : x
  2. Step 2: Convert to fraction form
    11,809.08/17,735.49 = 9,359.64/x
  3. Step 3: Cross multiply
    11,809.08x = 17,735.49 × 9,359.64
  4. Step 4: Simplify right side
    11,809.08x = 165,997,801.62
  5. Step 5: Solve for x
    x = 165,997,801.62/11,809.08
  6. Step 6: Final answer
    x = 14,056.79

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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.