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Finding the Fourth Proportional to 57,813.76, 79,795.87 and 35,147.96

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Solution

The fourth proportional to 57,813.76, 79,795.87 and 35,147.96 is: 48,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,813.76 : 79,795.87 = 35,147.96 : x
  2. Step 2: Convert to fraction form
    57,813.76/79,795.87 = 35,147.96/x
  3. Step 3: Cross multiply
    57,813.76x = 79,795.87 × 35,147.96
  4. Step 4: Simplify right side
    57,813.76x = 2,804,661,859.31
  5. Step 5: Solve for x
    x = 2,804,661,859.31/57,813.76
  6. Step 6: Final answer
    x = 48,512.01

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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.