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Finding the Fourth Proportional to 11,899.68, 17,860.60 and 6,060.68

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Solution

The fourth proportional to 11,899.68, 17,860.60 and 6,060.68 is: 9,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.68 : 17,860.60 = 6,060.68 : x
  2. Step 2: Convert to fraction form
    11,899.68/17,860.60 = 6,060.68/x
  3. Step 3: Cross multiply
    11,899.68x = 17,860.60 × 6,060.68
  4. Step 4: Simplify right side
    11,899.68x = 108,247,381.21
  5. Step 5: Solve for x
    x = 108,247,381.21/11,899.68
  6. Step 6: Final answer
    x = 9,096.66

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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.