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Finding the Fourth Proportional to 57,859.59, 79,845.18 and 32,709.09

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Solution

The fourth proportional to 57,859.59, 79,845.18 and 32,709.09 is: 45,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,859.59 : 79,845.18 = 32,709.09 : x
  2. Step 2: Convert to fraction form
    57,859.59/79,845.18 = 32,709.09/x
  3. Step 3: Cross multiply
    57,859.59x = 79,845.18 × 32,709.09
  4. Step 4: Simplify right side
    57,859.59x = 2,611,663,178.69
  5. Step 5: Solve for x
    x = 2,611,663,178.69/57,859.59
  6. Step 6: Final answer
    x = 45,137.95

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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.