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Finding the Fourth Proportional to 57,373.65, 79,175.57 and 31,882.40

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Solution

The fourth proportional to 57,373.65, 79,175.57 and 31,882.40 is: 43,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373.65 : 79,175.57 = 31,882.40 : x
  2. Step 2: Convert to fraction form
    57,373.65/79,175.57 = 31,882.40/x
  3. Step 3: Cross multiply
    57,373.65x = 79,175.57 × 31,882.40
  4. Step 4: Simplify right side
    57,373.65x = 2,524,306,637.68
  5. Step 5: Solve for x
    x = 2,524,306,637.68/57,373.65
  6. Step 6: Final answer
    x = 43,997.67

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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.