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Finding the Fourth Proportional to 52,392.99, 78,605.90 and 33,694.14

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Solution

The fourth proportional to 52,392.99, 78,605.90 and 33,694.14 is: 50,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,392.99 : 78,605.90 = 33,694.14 : x
  2. Step 2: Convert to fraction form
    52,392.99/78,605.90 = 33,694.14/x
  3. Step 3: Cross multiply
    52,392.99x = 78,605.90 × 33,694.14
  4. Step 4: Simplify right side
    52,392.99x = 2,648,558,199.43
  5. Step 5: Solve for x
    x = 2,648,558,199.43/52,392.99
  6. Step 6: Final answer
    x = 50,551.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.