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Finding the Fourth Proportional to 57,893.70, 79,909.02 and 34,028.04

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Solution

The fourth proportional to 57,893.70, 79,909.02 and 34,028.04 is: 46,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,893.70 : 79,909.02 = 34,028.04 : x
  2. Step 2: Convert to fraction form
    57,893.70/79,909.02 = 34,028.04/x
  3. Step 3: Cross multiply
    57,893.70x = 79,909.02 × 34,028.04
  4. Step 4: Simplify right side
    57,893.70x = 2,719,147,328.92
  5. Step 5: Solve for x
    x = 2,719,147,328.92/57,893.70
  6. Step 6: Final answer
    x = 46,967.93

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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.