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Finding the Fourth Proportional to 11,610.59, 17,415.89 and 2,845.43

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Solution

The fourth proportional to 11,610.59, 17,415.89 and 2,845.43 is: 4,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.59 : 17,415.89 = 2,845.43 : x
  2. Step 2: Convert to fraction form
    11,610.59/17,415.89 = 2,845.43/x
  3. Step 3: Cross multiply
    11,610.59x = 17,415.89 × 2,845.43
  4. Step 4: Simplify right side
    11,610.59x = 49,555,725.20
  5. Step 5: Solve for x
    x = 49,555,725.20/11,610.59
  6. Step 6: Final answer
    x = 4,268.15

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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.