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Finding the Fourth Proportional to 63,879.19, 95,837.48 and 18,901.73

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Solution

The fourth proportional to 63,879.19, 95,837.48 and 18,901.73 is: 28,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,879.19 : 95,837.48 = 18,901.73 : x
  2. Step 2: Convert to fraction form
    63,879.19/95,837.48 = 18,901.73/x
  3. Step 3: Cross multiply
    63,879.19x = 95,837.48 × 18,901.73
  4. Step 4: Simplify right side
    63,879.19x = 1,811,494,076.33
  5. Step 5: Solve for x
    x = 1,811,494,076.33/63,879.19
  6. Step 6: Final answer
    x = 28,358.13

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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.