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Finding the Fourth Proportional to 13,893.93, 20,840.90 and 4,033.26

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Solution

The fourth proportional to 13,893.93, 20,840.90 and 4,033.26 is: 6,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.93 : 20,840.90 = 4,033.26 : x
  2. Step 2: Convert to fraction form
    13,893.93/20,840.90 = 4,033.26/x
  3. Step 3: Cross multiply
    13,893.93x = 20,840.90 × 4,033.26
  4. Step 4: Simplify right side
    13,893.93x = 84,056,748.17
  5. Step 5: Solve for x
    x = 84,056,748.17/13,893.93
  6. Step 6: Final answer
    x = 6,049.89

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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.