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Finding the Fourth Proportional to 57,937.61, 79,960.62 and 35,289.89

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Solution

The fourth proportional to 57,937.61, 79,960.62 and 35,289.89 is: 48,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,937.61 : 79,960.62 = 35,289.89 : x
  2. Step 2: Convert to fraction form
    57,937.61/79,960.62 = 35,289.89/x
  3. Step 3: Cross multiply
    57,937.61x = 79,960.62 × 35,289.89
  4. Step 4: Simplify right side
    57,937.61x = 2,821,801,484.13
  5. Step 5: Solve for x
    x = 2,821,801,484.13/57,937.61
  6. Step 6: Final answer
    x = 48,704.14

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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.