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Finding the Fourth Proportional to 57,682.73, 79,602.21 and 33,809.40

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Solution

The fourth proportional to 57,682.73, 79,602.21 and 33,809.40 is: 46,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682.73 : 79,602.21 = 33,809.40 : x
  2. Step 2: Convert to fraction form
    57,682.73/79,602.21 = 33,809.40/x
  3. Step 3: Cross multiply
    57,682.73x = 79,602.21 × 33,809.40
  4. Step 4: Simplify right side
    57,682.73x = 2,691,302,958.77
  5. Step 5: Solve for x
    x = 2,691,302,958.77/57,682.73
  6. Step 6: Final answer
    x = 46,656.99

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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.