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Finding the Fourth Proportional to 33,881.52, 50,813.10 and 14,155.95

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Solution

The fourth proportional to 33,881.52, 50,813.10 and 14,155.95 is: 21,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,881.52 : 50,813.10 = 14,155.95 : x
  2. Step 2: Convert to fraction form
    33,881.52/50,813.10 = 14,155.95/x
  3. Step 3: Cross multiply
    33,881.52x = 50,813.10 × 14,155.95
  4. Step 4: Simplify right side
    33,881.52x = 719,307,702.95
  5. Step 5: Solve for x
    x = 719,307,702.95/33,881.52
  6. Step 6: Final answer
    x = 21,230.09

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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.