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Finding the Fourth Proportional to 11,756.60, 17,592.80 and 10,180.78

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Solution

The fourth proportional to 11,756.60, 17,592.80 and 10,180.78 is: 15,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.60 : 17,592.80 = 10,180.78 : x
  2. Step 2: Convert to fraction form
    11,756.60/17,592.80 = 10,180.78/x
  3. Step 3: Cross multiply
    11,756.60x = 17,592.80 × 10,180.78
  4. Step 4: Simplify right side
    11,756.60x = 179,108,331.50
  5. Step 5: Solve for x
    x = 179,108,331.50/11,756.60
  6. Step 6: Final answer
    x = 15,234.71

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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.