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Finding the Fourth Proportional to 57,884.88, 79,855.78 and 34,000.79

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Solution

The fourth proportional to 57,884.88, 79,855.78 and 34,000.79 is: 46,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884.88 : 79,855.78 = 34,000.79 : x
  2. Step 2: Convert to fraction form
    57,884.88/79,855.78 = 34,000.79/x
  3. Step 3: Cross multiply
    57,884.88x = 79,855.78 × 34,000.79
  4. Step 4: Simplify right side
    57,884.88x = 2,715,159,606.07
  5. Step 5: Solve for x
    x = 2,715,159,606.07/57,884.88
  6. Step 6: Final answer
    x = 46,906.20

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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.