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Finding the Fourth Proportional to 11,778.75, 17,750.84 and 10,610.10

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Solution

The fourth proportional to 11,778.75, 17,750.84 and 10,610.10 is: 15,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.75 : 17,750.84 = 10,610.10 : x
  2. Step 2: Convert to fraction form
    11,778.75/17,750.84 = 10,610.10/x
  3. Step 3: Cross multiply
    11,778.75x = 17,750.84 × 10,610.10
  4. Step 4: Simplify right side
    11,778.75x = 188,338,134.43
  5. Step 5: Solve for x
    x = 188,338,134.43/11,778.75
  6. Step 6: Final answer
    x = 15,989.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.