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Finding the Fourth Proportional to 57,469.60, 79,292.55 and 33,602.14

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Solution

The fourth proportional to 57,469.60, 79,292.55 and 33,602.14 is: 46,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469.60 : 79,292.55 = 33,602.14 : x
  2. Step 2: Convert to fraction form
    57,469.60/79,292.55 = 33,602.14/x
  3. Step 3: Cross multiply
    57,469.60x = 79,292.55 × 33,602.14
  4. Step 4: Simplify right side
    57,469.60x = 2,664,399,366.06
  5. Step 5: Solve for x
    x = 2,664,399,366.06/57,469.60
  6. Step 6: Final answer
    x = 46,361.89

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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.