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Finding the Fourth Proportional to 57,935.03, 79,909.04 and 53,170.33

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Solution

The fourth proportional to 57,935.03, 79,909.04 and 53,170.33 is: 73,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,935.03 : 79,909.04 = 53,170.33 : x
  2. Step 2: Convert to fraction form
    57,935.03/79,909.04 = 53,170.33/x
  3. Step 3: Cross multiply
    57,935.03x = 79,909.04 × 53,170.33
  4. Step 4: Simplify right side
    57,935.03x = 4,248,790,184.97
  5. Step 5: Solve for x
    x = 4,248,790,184.97/57,935.03
  6. Step 6: Final answer
    x = 73,337.15

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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.