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Finding the Fourth Proportional to 33,603.84, 50,425.38 and 12,558.38

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Solution

The fourth proportional to 33,603.84, 50,425.38 and 12,558.38 is: 18,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,603.84 : 50,425.38 = 12,558.38 : x
  2. Step 2: Convert to fraction form
    33,603.84/50,425.38 = 12,558.38/x
  3. Step 3: Cross multiply
    33,603.84x = 50,425.38 × 12,558.38
  4. Step 4: Simplify right side
    33,603.84x = 633,260,831.56
  5. Step 5: Solve for x
    x = 633,260,831.56/33,603.84
  6. Step 6: Final answer
    x = 18,844.89

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1.5x scale

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.