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Finding the Fourth Proportional to 58,732.56, 81,051.84 and 34,550.64

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Solution

The fourth proportional to 58,732.56, 81,051.84 and 34,550.64 is: 47,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,732.56 : 81,051.84 = 34,550.64 : x
  2. Step 2: Convert to fraction form
    58,732.56/81,051.84 = 34,550.64/x
  3. Step 3: Cross multiply
    58,732.56x = 81,051.84 × 34,550.64
  4. Step 4: Simplify right side
    58,732.56x = 2,800,392,945.18
  5. Step 5: Solve for x
    x = 2,800,392,945.18/58,732.56
  6. Step 6: Final answer
    x = 47,680.42

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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.