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Finding the Fourth Proportional to 33,136.00, 49,702.37 and 12,357.88

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Solution

The fourth proportional to 33,136.00, 49,702.37 and 12,357.88 is: 18,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.00 : 49,702.37 = 12,357.88 : x
  2. Step 2: Convert to fraction form
    33,136.00/49,702.37 = 12,357.88/x
  3. Step 3: Cross multiply
    33,136.00x = 49,702.37 × 12,357.88
  4. Step 4: Simplify right side
    33,136.00x = 614,215,675.66
  5. Step 5: Solve for x
    x = 614,215,675.66/33,136.00
  6. Step 6: Final answer
    x = 18,536.21

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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.