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Finding the Fourth Proportional to 8,246.90, 11,381.18 and 4,711.26

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Solution

The fourth proportional to 8,246.90, 11,381.18 and 4,711.26 is: 6,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.90 : 11,381.18 = 4,711.26 : x
  2. Step 2: Convert to fraction form
    8,246.90/11,381.18 = 4,711.26/x
  3. Step 3: Cross multiply
    8,246.90x = 11,381.18 × 4,711.26
  4. Step 4: Simplify right side
    8,246.90x = 53,619,698.09
  5. Step 5: Solve for x
    x = 53,619,698.09/8,246.90
  6. Step 6: Final answer
    x = 6,501.80

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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.