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Finding the Fourth Proportional to 11,604.30, 17,415.84 and 6,609.84

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Solution

The fourth proportional to 11,604.30, 17,415.84 and 6,609.84 is: 9,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.30 : 17,415.84 = 6,609.84 : x
  2. Step 2: Convert to fraction form
    11,604.30/17,415.84 = 6,609.84/x
  3. Step 3: Cross multiply
    11,604.30x = 17,415.84 × 6,609.84
  4. Step 4: Simplify right side
    11,604.30x = 115,115,915.87
  5. Step 5: Solve for x
    x = 115,115,915.87/11,604.30
  6. Step 6: Final answer
    x = 9,920.11

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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.