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Finding the Fourth Proportional to 10,892.86, 16,338.88 and 3,101.66

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Solution

The fourth proportional to 10,892.86, 16,338.88 and 3,101.66 is: 4,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.86 : 16,338.88 = 3,101.66 : x
  2. Step 2: Convert to fraction form
    10,892.86/16,338.88 = 3,101.66/x
  3. Step 3: Cross multiply
    10,892.86x = 16,338.88 × 3,101.66
  4. Step 4: Simplify right side
    10,892.86x = 50,677,650.54
  5. Step 5: Solve for x
    x = 50,677,650.54/10,892.86
  6. Step 6: Final answer
    x = 4,652.37

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1.5x scale

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.