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Finding the Fourth Proportional to 36,990.82, 55,486.62 and 10,695.79

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Solution

The fourth proportional to 36,990.82, 55,486.62 and 10,695.79 is: 16,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.82 : 55,486.62 = 10,695.79 : x
  2. Step 2: Convert to fraction form
    36,990.82/55,486.62 = 10,695.79/x
  3. Step 3: Cross multiply
    36,990.82x = 55,486.62 × 10,695.79
  4. Step 4: Simplify right side
    36,990.82x = 593,473,235.33
  5. Step 5: Solve for x
    x = 593,473,235.33/36,990.82
  6. Step 6: Final answer
    x = 16,043.80

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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.