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Finding the Fourth Proportional to 58,474.96, 80,695.41 and 31,617.47

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Solution

The fourth proportional to 58,474.96, 80,695.41 and 31,617.47 is: 43,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.96 : 80,695.41 = 31,617.47 : x
  2. Step 2: Convert to fraction form
    58,474.96/80,695.41 = 31,617.47/x
  3. Step 3: Cross multiply
    58,474.96x = 80,695.41 × 31,617.47
  4. Step 4: Simplify right side
    58,474.96x = 2,551,384,704.81
  5. Step 5: Solve for x
    x = 2,551,384,704.81/58,474.96
  6. Step 6: Final answer
    x = 43,632.09

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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.