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Finding the Fourth Proportional to 10,855.84, 16,263.26 and 8,504.82

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Solution

The fourth proportional to 10,855.84, 16,263.26 and 8,504.82 is: 12,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.84 : 16,263.26 = 8,504.82 : x
  2. Step 2: Convert to fraction form
    10,855.84/16,263.26 = 8,504.82/x
  3. Step 3: Cross multiply
    10,855.84x = 16,263.26 × 8,504.82
  4. Step 4: Simplify right side
    10,855.84x = 138,316,098.91
  5. Step 5: Solve for x
    x = 138,316,098.91/10,855.84
  6. Step 6: Final answer
    x = 12,741.17

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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.