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Finding the Fourth Proportional to 57,892.70, 79,907.64 and 34,027.04

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Solution

The fourth proportional to 57,892.70, 79,907.64 and 34,027.04 is: 46,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.70 : 79,907.64 = 34,027.04 : x
  2. Step 2: Convert to fraction form
    57,892.70/79,907.64 = 34,027.04/x
  3. Step 3: Cross multiply
    57,892.70x = 79,907.64 × 34,027.04
  4. Step 4: Simplify right side
    57,892.70x = 2,719,020,462.59
  5. Step 5: Solve for x
    x = 2,719,020,462.59/57,892.70
  6. Step 6: Final answer
    x = 46,966.55

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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.