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Finding the Fourth Proportional to 57,446.94, 79,276.78 and 33,593.65

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Solution

The fourth proportional to 57,446.94, 79,276.78 and 33,593.65 is: 46,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,446.94 : 79,276.78 = 33,593.65 : x
  2. Step 2: Convert to fraction form
    57,446.94/79,276.78 = 33,593.65/x
  3. Step 3: Cross multiply
    57,446.94x = 79,276.78 × 33,593.65
  4. Step 4: Simplify right side
    57,446.94x = 2,663,196,430.67
  5. Step 5: Solve for x
    x = 2,663,196,430.67/57,446.94
  6. Step 6: Final answer
    x = 46,359.24

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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.