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Finding the Fourth Proportional to 37,378.76, 51,582.44 and 20,611.76

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Solution

The fourth proportional to 37,378.76, 51,582.44 and 20,611.76 is: 28,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.76 : 51,582.44 = 20,611.76 : x
  2. Step 2: Convert to fraction form
    37,378.76/51,582.44 = 20,611.76/x
  3. Step 3: Cross multiply
    37,378.76x = 51,582.44 × 20,611.76
  4. Step 4: Simplify right side
    37,378.76x = 1,063,204,873.49
  5. Step 5: Solve for x
    x = 1,063,204,873.49/37,378.76
  6. Step 6: Final answer
    x = 28,444.09

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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.