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Finding the Fourth Proportional to 51,992.66, 71,744.64 and 29,329.58

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Solution

The fourth proportional to 51,992.66, 71,744.64 and 29,329.58 is: 40,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.66 : 71,744.64 = 29,329.58 : x
  2. Step 2: Convert to fraction form
    51,992.66/71,744.64 = 29,329.58/x
  3. Step 3: Cross multiply
    51,992.66x = 71,744.64 × 29,329.58
  4. Step 4: Simplify right side
    51,992.66x = 2,104,240,158.45
  5. Step 5: Solve for x
    x = 2,104,240,158.45/51,992.66
  6. Step 6: Final answer
    x = 40,471.87

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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.