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Finding the Fourth Proportional to 12,893.58, 17,793 and 11,835.63

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Solution

The fourth proportional to 12,893.58, 17,793 and 11,835.63 is: 16,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.58 : 17,793 = 11,835.63 : x
  2. Step 2: Convert to fraction form
    12,893.58/17,793 = 11,835.63/x
  3. Step 3: Cross multiply
    12,893.58x = 17,793 × 11,835.63
  4. Step 4: Simplify right side
    12,893.58x = 210,591,364.59
  5. Step 5: Solve for x
    x = 210,591,364.59/12,893.58
  6. Step 6: Final answer
    x = 16,333.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.