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Finding the Fourth Proportional to 10,893.32, 16,332.42 and 5,965.28

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Solution

The fourth proportional to 10,893.32, 16,332.42 and 5,965.28 is: 8,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.32 : 16,332.42 = 5,965.28 : x
  2. Step 2: Convert to fraction form
    10,893.32/16,332.42 = 5,965.28/x
  3. Step 3: Cross multiply
    10,893.32x = 16,332.42 × 5,965.28
  4. Step 4: Simplify right side
    10,893.32x = 97,427,458.38
  5. Step 5: Solve for x
    x = 97,427,458.38/10,893.32
  6. Step 6: Final answer
    x = 8,943.78

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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.