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Finding the Fourth Proportional to 37,651.16, 51,959 and 20,655.44

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Solution

The fourth proportional to 37,651.16, 51,959 and 20,655.44 is: 28,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.16 : 51,959 = 20,655.44 : x
  2. Step 2: Convert to fraction form
    37,651.16/51,959 = 20,655.44/x
  3. Step 3: Cross multiply
    37,651.16x = 51,959 × 20,655.44
  4. Step 4: Simplify right side
    37,651.16x = 1,073,236,006.96
  5. Step 5: Solve for x
    x = 1,073,236,006.96/37,651.16
  6. Step 6: Final answer
    x = 28,504.73

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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.