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Finding the Fourth Proportional to 7,543.09, 11,321.84 and 4,627.09

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Solution

The fourth proportional to 7,543.09, 11,321.84 and 4,627.09 is: 6,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.09 : 11,321.84 = 4,627.09 : x
  2. Step 2: Convert to fraction form
    7,543.09/11,321.84 = 4,627.09/x
  3. Step 3: Cross multiply
    7,543.09x = 11,321.84 × 4,627.09
  4. Step 4: Simplify right side
    7,543.09x = 52,387,172.65
  5. Step 5: Solve for x
    x = 52,387,172.65/7,543.09
  6. Step 6: Final answer
    x = 6,945.05

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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.