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Finding the Fourth Proportional to 57,777.45, 79,731.45 and 32,282.25

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Solution

The fourth proportional to 57,777.45, 79,731.45 and 32,282.25 is: 44,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.45 : 79,731.45 = 32,282.25 : x
  2. Step 2: Convert to fraction form
    57,777.45/79,731.45 = 32,282.25/x
  3. Step 3: Cross multiply
    57,777.45x = 79,731.45 × 32,282.25
  4. Step 4: Simplify right side
    57,777.45x = 2,573,910,601.76
  5. Step 5: Solve for x
    x = 2,573,910,601.76/57,777.45
  6. Step 6: Final answer
    x = 44,548.71

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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.