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Finding the Fourth Proportional to 11,659.59, 16,090.25 and 6,354.44

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Solution

The fourth proportional to 11,659.59, 16,090.25 and 6,354.44 is: 8,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.59 : 16,090.25 = 6,354.44 : x
  2. Step 2: Convert to fraction form
    11,659.59/16,090.25 = 6,354.44/x
  3. Step 3: Cross multiply
    11,659.59x = 16,090.25 × 6,354.44
  4. Step 4: Simplify right side
    11,659.59x = 102,244,528.21
  5. Step 5: Solve for x
    x = 102,244,528.21/11,659.59
  6. Step 6: Final answer
    x = 8,769.14

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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.