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Finding the Fourth Proportional to 57,419.84, 79,221.57 and 33,529.28

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Solution

The fourth proportional to 57,419.84, 79,221.57 and 33,529.28 is: 46,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,419.84 : 79,221.57 = 33,529.28 : x
  2. Step 2: Convert to fraction form
    57,419.84/79,221.57 = 33,529.28/x
  3. Step 3: Cross multiply
    57,419.84x = 79,221.57 × 33,529.28
  4. Step 4: Simplify right side
    57,419.84x = 2,656,242,202.57
  5. Step 5: Solve for x
    x = 2,656,242,202.57/57,419.84
  6. Step 6: Final answer
    x = 46,260.01

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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.