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Finding the Fourth Proportional to 57,709.92, 79,584.48 and 35,052.60

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Solution

The fourth proportional to 57,709.92, 79,584.48 and 35,052.60 is: 48,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.92 : 79,584.48 = 35,052.60 : x
  2. Step 2: Convert to fraction form
    57,709.92/79,584.48 = 35,052.60/x
  3. Step 3: Cross multiply
    57,709.92x = 79,584.48 × 35,052.60
  4. Step 4: Simplify right side
    57,709.92x = 2,789,642,943.65
  5. Step 5: Solve for x
    x = 2,789,642,943.65/57,709.92
  6. Step 6: Final answer
    x = 48,339.05

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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.