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Finding the Fourth Proportional to 37,187.66, 55,786.44 and 19,658.18

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Solution

The fourth proportional to 37,187.66, 55,786.44 and 19,658.18 is: 29,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,187.66 : 55,786.44 = 19,658.18 : x
  2. Step 2: Convert to fraction form
    37,187.66/55,786.44 = 19,658.18/x
  3. Step 3: Cross multiply
    37,187.66x = 55,786.44 × 19,658.18
  4. Step 4: Simplify right side
    37,187.66x = 1,096,659,879.08
  5. Step 5: Solve for x
    x = 1,096,659,879.08/37,187.66
  6. Step 6: Final answer
    x = 29,489.89

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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.