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Finding the Fourth Proportional to 37,651.65, 51,958.92 and 20,655.54

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Solution

The fourth proportional to 37,651.65, 51,958.92 and 20,655.54 is: 28,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.65 : 51,958.92 = 20,655.54 : x
  2. Step 2: Convert to fraction form
    37,651.65/51,958.92 = 20,655.54/x
  3. Step 3: Cross multiply
    37,651.65x = 51,958.92 × 20,655.54
  4. Step 4: Simplify right side
    37,651.65x = 1,073,239,550.42
  5. Step 5: Solve for x
    x = 1,073,239,550.42/37,651.65
  6. Step 6: Final answer
    x = 28,504.45

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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.