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Finding the Fourth Proportional to 58,794.66, 81,135.27 and 31,936.57

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Solution

The fourth proportional to 58,794.66, 81,135.27 and 31,936.57 is: 44,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.66 : 81,135.27 = 31,936.57 : x
  2. Step 2: Convert to fraction form
    58,794.66/81,135.27 = 31,936.57/x
  3. Step 3: Cross multiply
    58,794.66x = 81,135.27 × 31,936.57
  4. Step 4: Simplify right side
    58,794.66x = 2,591,182,026.99
  5. Step 5: Solve for x
    x = 2,591,182,026.99/58,794.66
  6. Step 6: Final answer
    x = 44,071.72

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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.