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Finding the Fourth Proportional to 11,543.13, 17,308.53 and 5,990.88

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Solution

The fourth proportional to 11,543.13, 17,308.53 and 5,990.88 is: 8,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.13 : 17,308.53 = 5,990.88 : x
  2. Step 2: Convert to fraction form
    11,543.13/17,308.53 = 5,990.88/x
  3. Step 3: Cross multiply
    11,543.13x = 17,308.53 × 5,990.88
  4. Step 4: Simplify right side
    11,543.13x = 103,693,326.21
  5. Step 5: Solve for x
    x = 103,693,326.21/11,543.13
  6. Step 6: Final answer
    x = 8,983.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.