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Finding the Fourth Proportional to 11,800.86, 17,708.75 and 10,692.54

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Solution

The fourth proportional to 11,800.86, 17,708.75 and 10,692.54 is: 16,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.86 : 17,708.75 = 10,692.54 : x
  2. Step 2: Convert to fraction form
    11,800.86/17,708.75 = 10,692.54/x
  3. Step 3: Cross multiply
    11,800.86x = 17,708.75 × 10,692.54
  4. Step 4: Simplify right side
    11,800.86x = 189,351,534.43
  5. Step 5: Solve for x
    x = 189,351,534.43/11,800.86
  6. Step 6: Final answer
    x = 16,045.58

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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.