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Finding the Fourth Proportional to 57,676.97, 79,602.08 and 33,813.15

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Solution

The fourth proportional to 57,676.97, 79,602.08 and 33,813.15 is: 46,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,676.97 : 79,602.08 = 33,813.15 : x
  2. Step 2: Convert to fraction form
    57,676.97/79,602.08 = 33,813.15/x
  3. Step 3: Cross multiply
    57,676.97x = 79,602.08 × 33,813.15
  4. Step 4: Simplify right side
    57,676.97x = 2,691,596,902.29
  5. Step 5: Solve for x
    x = 2,691,596,902.29/57,676.97
  6. Step 6: Final answer
    x = 46,666.76

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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.