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Finding the Fourth Proportional to 33,114.90, 49,672.35 and 14,403.90

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Solution

The fourth proportional to 33,114.90, 49,672.35 and 14,403.90 is: 21,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.90 : 49,672.35 = 14,403.90 : x
  2. Step 2: Convert to fraction form
    33,114.90/49,672.35 = 14,403.90/x
  3. Step 3: Cross multiply
    33,114.90x = 49,672.35 × 14,403.90
  4. Step 4: Simplify right side
    33,114.90x = 715,475,562.17
  5. Step 5: Solve for x
    x = 715,475,562.17/33,114.90
  6. Step 6: Final answer
    x = 21,605.85

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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.