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Finding the Fourth Proportional to 8,757.09, 13,126.19 and 4,317.84

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Solution

The fourth proportional to 8,757.09, 13,126.19 and 4,317.84 is: 6,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.09 : 13,126.19 = 4,317.84 : x
  2. Step 2: Convert to fraction form
    8,757.09/13,126.19 = 4,317.84/x
  3. Step 3: Cross multiply
    8,757.09x = 13,126.19 × 4,317.84
  4. Step 4: Simplify right side
    8,757.09x = 56,676,766.64
  5. Step 5: Solve for x
    x = 56,676,766.64/8,757.09
  6. Step 6: Final answer
    x = 6,472.10

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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.