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Finding the Fourth Proportional to 57,383.28, 79,200.72 and 36,148.32

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Solution

The fourth proportional to 57,383.28, 79,200.72 and 36,148.32 is: 49,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.28 : 79,200.72 = 36,148.32 : x
  2. Step 2: Convert to fraction form
    57,383.28/79,200.72 = 36,148.32/x
  3. Step 3: Cross multiply
    57,383.28x = 79,200.72 × 36,148.32
  4. Step 4: Simplify right side
    57,383.28x = 2,862,972,970.79
  5. Step 5: Solve for x
    x = 2,862,972,970.79/57,383.28
  6. Step 6: Final answer
    x = 49,892.11

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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.