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Finding the Fourth Proportional to 57,661.58, 79,578.46 and 36,154.73

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Solution

The fourth proportional to 57,661.58, 79,578.46 and 36,154.73 is: 49,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.58 : 79,578.46 = 36,154.73 : x
  2. Step 2: Convert to fraction form
    57,661.58/79,578.46 = 36,154.73/x
  3. Step 3: Cross multiply
    57,661.58x = 79,578.46 × 36,154.73
  4. Step 4: Simplify right side
    57,661.58x = 2,877,137,979.26
  5. Step 5: Solve for x
    x = 2,877,137,979.26/57,661.58
  6. Step 6: Final answer
    x = 49,896.97

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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.