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Finding the Fourth Proportional to 11,729.15, 17,591.62 and 5,804.12

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Solution

The fourth proportional to 11,729.15, 17,591.62 and 5,804.12 is: 8,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.15 : 17,591.62 = 5,804.12 : x
  2. Step 2: Convert to fraction form
    11,729.15/17,591.62 = 5,804.12/x
  3. Step 3: Cross multiply
    11,729.15x = 17,591.62 × 5,804.12
  4. Step 4: Simplify right side
    11,729.15x = 102,103,902.94
  5. Step 5: Solve for x
    x = 102,103,902.94/11,729.15
  6. Step 6: Final answer
    x = 8,705.14

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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.