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Finding the Fourth Proportional to 10,895.54, 16,310.30 and 9,855.99

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Solution

The fourth proportional to 10,895.54, 16,310.30 and 9,855.99 is: 14,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.54 : 16,310.30 = 9,855.99 : x
  2. Step 2: Convert to fraction form
    10,895.54/16,310.30 = 9,855.99/x
  3. Step 3: Cross multiply
    10,895.54x = 16,310.30 × 9,855.99
  4. Step 4: Simplify right side
    10,895.54x = 160,754,104.42
  5. Step 5: Solve for x
    x = 160,754,104.42/10,895.54
  6. Step 6: Final answer
    x = 14,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.