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Finding the Fourth Proportional to 17,661.01, 26,485.84 and 7,800.07

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Solution

The fourth proportional to 17,661.01, 26,485.84 and 7,800.07 is: 11,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.01 : 26,485.84 = 7,800.07 : x
  2. Step 2: Convert to fraction form
    17,661.01/26,485.84 = 7,800.07/x
  3. Step 3: Cross multiply
    17,661.01x = 26,485.84 × 7,800.07
  4. Step 4: Simplify right side
    17,661.01x = 206,591,234.58
  5. Step 5: Solve for x
    x = 206,591,234.58/17,661.01
  6. Step 6: Final answer
    x = 11,697.59

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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.