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Finding the Fourth Proportional to 37,646.44, 51,952.12 and 20,879.44

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Solution

The fourth proportional to 37,646.44, 51,952.12 and 20,879.44 is: 28,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.44 : 51,952.12 = 20,879.44 : x
  2. Step 2: Convert to fraction form
    37,646.44/51,952.12 = 20,879.44/x
  3. Step 3: Cross multiply
    37,646.44x = 51,952.12 × 20,879.44
  4. Step 4: Simplify right side
    37,646.44x = 1,084,730,990.33
  5. Step 5: Solve for x
    x = 1,084,730,990.33/37,646.44
  6. Step 6: Final answer
    x = 28,813.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.