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Finding the Fourth Proportional to 11,740.61, 17,591.11 and 5,809.59

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Solution

The fourth proportional to 11,740.61, 17,591.11 and 5,809.59 is: 8,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.61 : 17,591.11 = 5,809.59 : x
  2. Step 2: Convert to fraction form
    11,740.61/17,591.11 = 5,809.59/x
  3. Step 3: Cross multiply
    11,740.61x = 17,591.11 × 5,809.59
  4. Step 4: Simplify right side
    11,740.61x = 102,197,122.22
  5. Step 5: Solve for x
    x = 102,197,122.22/11,740.61
  6. Step 6: Final answer
    x = 8,704.58

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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.