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Finding the Fourth Proportional to 37,362.12, 51,558.70 and 20,366.70

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Solution

The fourth proportional to 37,362.12, 51,558.70 and 20,366.70 is: 28,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,362.12 : 51,558.70 = 20,366.70 : x
  2. Step 2: Convert to fraction form
    37,362.12/51,558.70 = 20,366.70/x
  3. Step 3: Cross multiply
    37,362.12x = 51,558.70 × 20,366.70
  4. Step 4: Simplify right side
    37,362.12x = 1,050,080,514.22
  5. Step 5: Solve for x
    x = 1,050,080,514.22/37,362.12
  6. Step 6: Final answer
    x = 28,105.48

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