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Finding the Fourth Proportional to 11,817.58, 17,725.29 and 3,609.58

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Solution

The fourth proportional to 11,817.58, 17,725.29 and 3,609.58 is: 5,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.58 : 17,725.29 = 3,609.58 : x
  2. Step 2: Convert to fraction form
    11,817.58/17,725.29 = 3,609.58/x
  3. Step 3: Cross multiply
    11,817.58x = 17,725.29 × 3,609.58
  4. Step 4: Simplify right side
    11,817.58x = 63,980,852.28
  5. Step 5: Solve for x
    x = 63,980,852.28/11,817.58
  6. Step 6: Final answer
    x = 5,414.04

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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.