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Finding the Fourth Proportional to 10,893.61, 16,343.25 and 3,103.03

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Solution

The fourth proportional to 10,893.61, 16,343.25 and 3,103.03 is: 4,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.61 : 16,343.25 = 3,103.03 : x
  2. Step 2: Convert to fraction form
    10,893.61/16,343.25 = 3,103.03/x
  3. Step 3: Cross multiply
    10,893.61x = 16,343.25 × 3,103.03
  4. Step 4: Simplify right side
    10,893.61x = 50,713,595.05
  5. Step 5: Solve for x
    x = 50,713,595.05/10,893.61
  6. Step 6: Final answer
    x = 4,655.35

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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.