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Finding the Fourth Proportional to 37,655.67, 51,964.56 and 20,659.44

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Solution

The fourth proportional to 37,655.67, 51,964.56 and 20,659.44 is: 28,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.67 : 51,964.56 = 20,659.44 : x
  2. Step 2: Convert to fraction form
    37,655.67/51,964.56 = 20,659.44/x
  3. Step 3: Cross multiply
    37,655.67x = 51,964.56 × 20,659.44
  4. Step 4: Simplify right side
    37,655.67x = 1,073,558,709.45
  5. Step 5: Solve for x
    x = 1,073,558,709.45/37,655.67
  6. Step 6: Final answer
    x = 28,509.88

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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.