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Finding the Fourth Proportional to 52,391.99, 78,604.40 and 33,693.14

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Solution

The fourth proportional to 52,391.99, 78,604.40 and 33,693.14 is: 50,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.99 : 78,604.40 = 33,693.14 : x
  2. Step 2: Convert to fraction form
    52,391.99/78,604.40 = 33,693.14/x
  3. Step 3: Cross multiply
    52,391.99x = 78,604.40 × 33,693.14
  4. Step 4: Simplify right side
    52,391.99x = 2,648,428,885.35
  5. Step 5: Solve for x
    x = 2,648,428,885.35/52,391.99
  6. Step 6: Final answer
    x = 50,550.26

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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.