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Finding the Fourth Proportional to 57,253.68, 79,010.10 and 31,763.97

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Solution

The fourth proportional to 57,253.68, 79,010.10 and 31,763.97 is: 43,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.68 : 79,010.10 = 31,763.97 : x
  2. Step 2: Convert to fraction form
    57,253.68/79,010.10 = 31,763.97/x
  3. Step 3: Cross multiply
    57,253.68x = 79,010.10 × 31,763.97
  4. Step 4: Simplify right side
    57,253.68x = 2,509,674,446.10
  5. Step 5: Solve for x
    x = 2,509,674,446.10/57,253.68
  6. Step 6: Final answer
    x = 43,834.29

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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.