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Finding the Fourth Proportional to 57,932.28, 79,945.02 and 34,053.48

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Solution

The fourth proportional to 57,932.28, 79,945.02 and 34,053.48 is: 46,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,932.28 : 79,945.02 = 34,053.48 : x
  2. Step 2: Convert to fraction form
    57,932.28/79,945.02 = 34,053.48/x
  3. Step 3: Cross multiply
    57,932.28x = 79,945.02 × 34,053.48
  4. Step 4: Simplify right side
    57,932.28x = 2,722,406,139.67
  5. Step 5: Solve for x
    x = 2,722,406,139.67/57,932.28
  6. Step 6: Final answer
    x = 46,992.91

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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.