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Finding the Fourth Proportional to 57,850.80, 79,851.99 and 33,658.93

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Solution

The fourth proportional to 57,850.80, 79,851.99 and 33,658.93 is: 46,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.80 : 79,851.99 = 33,658.93 : x
  2. Step 2: Convert to fraction form
    57,850.80/79,851.99 = 33,658.93/x
  3. Step 3: Cross multiply
    57,850.80x = 79,851.99 × 33,658.93
  4. Step 4: Simplify right side
    57,850.80x = 2,687,732,541.77
  5. Step 5: Solve for x
    x = 2,687,732,541.77/57,850.80
  6. Step 6: Final answer
    x = 46,459.73

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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.