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Finding the Fourth Proportional to 58,410.66, 80,604.78 and 36,911.89

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Solution

The fourth proportional to 58,410.66, 80,604.78 and 36,911.89 is: 50,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,410.66 : 80,604.78 = 36,911.89 : x
  2. Step 2: Convert to fraction form
    58,410.66/80,604.78 = 36,911.89/x
  3. Step 3: Cross multiply
    58,410.66x = 80,604.78 × 36,911.89
  4. Step 4: Simplify right side
    58,410.66x = 2,975,274,772.83
  5. Step 5: Solve for x
    x = 2,975,274,772.83/58,410.66
  6. Step 6: Final answer
    x = 50,937.19

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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.