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Finding the Fourth Proportional to 8,416.09, 11,610.97 and 5,059.72

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Solution

The fourth proportional to 8,416.09, 11,610.97 and 5,059.72 is: 6,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.09 : 11,610.97 = 5,059.72 : x
  2. Step 2: Convert to fraction form
    8,416.09/11,610.97 = 5,059.72/x
  3. Step 3: Cross multiply
    8,416.09x = 11,610.97 × 5,059.72
  4. Step 4: Simplify right side
    8,416.09x = 58,748,257.13
  5. Step 5: Solve for x
    x = 58,748,257.13/8,416.09
  6. Step 6: Final answer
    x = 6,980.47

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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.