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Finding the Fourth Proportional to 37,432.44, 51,656.80 and 20,665.44

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Solution

The fourth proportional to 37,432.44, 51,656.80 and 20,665.44 is: 28,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.44 : 51,656.80 = 20,665.44 : x
  2. Step 2: Convert to fraction form
    37,432.44/51,656.80 = 20,665.44/x
  3. Step 3: Cross multiply
    37,432.44x = 51,656.80 × 20,665.44
  4. Step 4: Simplify right side
    37,432.44x = 1,067,510,500.99
  5. Step 5: Solve for x
    x = 1,067,510,500.99/37,432.44
  6. Step 6: Final answer
    x = 28,518.33

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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.