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Finding the Fourth Proportional to 57,446.69, 79,276.43 and 33,593.40

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Solution

The fourth proportional to 57,446.69, 79,276.43 and 33,593.40 is: 46,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,446.69 : 79,276.43 = 33,593.40 : x
  2. Step 2: Convert to fraction form
    57,446.69/79,276.43 = 33,593.40/x
  3. Step 3: Cross multiply
    57,446.69x = 79,276.43 × 33,593.40
  4. Step 4: Simplify right side
    57,446.69x = 2,663,164,979.76
  5. Step 5: Solve for x
    x = 2,663,164,979.76/57,446.69
  6. Step 6: Final answer
    x = 46,358.90

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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.