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Finding the Fourth Proportional to 8,270.05, 11,412.62 and 4,493.19

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Solution

The fourth proportional to 8,270.05, 11,412.62 and 4,493.19 is: 6,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.05 : 11,412.62 = 4,493.19 : x
  2. Step 2: Convert to fraction form
    8,270.05/11,412.62 = 4,493.19/x
  3. Step 3: Cross multiply
    8,270.05x = 11,412.62 × 4,493.19
  4. Step 4: Simplify right side
    8,270.05x = 51,279,070.06
  5. Step 5: Solve for x
    x = 51,279,070.06/8,270.05
  6. Step 6: Final answer
    x = 6,200.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.