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Finding the Fourth Proportional to 33,491.64, 50,240.70 and 11,307.90

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Solution

The fourth proportional to 33,491.64, 50,240.70 and 11,307.90 is: 16,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,491.64 : 50,240.70 = 11,307.90 : x
  2. Step 2: Convert to fraction form
    33,491.64/50,240.70 = 11,307.90/x
  3. Step 3: Cross multiply
    33,491.64x = 50,240.70 × 11,307.90
  4. Step 4: Simplify right side
    33,491.64x = 568,116,811.53
  5. Step 5: Solve for x
    x = 568,116,811.53/33,491.64
  6. Step 6: Final answer
    x = 16,962.94

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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.