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Finding the Fourth Proportional to 57,672.28, 79,588.02 and 33,799.12

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Solution

The fourth proportional to 57,672.28, 79,588.02 and 33,799.12 is: 46,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672.28 : 79,588.02 = 33,799.12 : x
  2. Step 2: Convert to fraction form
    57,672.28/79,588.02 = 33,799.12/x
  3. Step 3: Cross multiply
    57,672.28x = 79,588.02 × 33,799.12
  4. Step 4: Simplify right side
    57,672.28x = 2,690,005,038.54
  5. Step 5: Solve for x
    x = 2,690,005,038.54/57,672.28
  6. Step 6: Final answer
    x = 46,642.95

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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.