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Finding the Fourth Proportional to 11,800.86, 17,704.62 and 4,010.28

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Solution

The fourth proportional to 11,800.86, 17,704.62 and 4,010.28 is: 6,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.86 : 17,704.62 = 4,010.28 : x
  2. Step 2: Convert to fraction form
    11,800.86/17,704.62 = 4,010.28/x
  3. Step 3: Cross multiply
    11,800.86x = 17,704.62 × 4,010.28
  4. Step 4: Simplify right side
    11,800.86x = 71,000,483.49
  5. Step 5: Solve for x
    x = 71,000,483.49/11,800.86
  6. Step 6: Final answer
    x = 6,016.55

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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.