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Finding the Fourth Proportional to 12,793.67, 19,191.19 and 4,029.27

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Solution

The fourth proportional to 12,793.67, 19,191.19 and 4,029.27 is: 6,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.67 : 19,191.19 = 4,029.27 : x
  2. Step 2: Convert to fraction form
    12,793.67/19,191.19 = 4,029.27/x
  3. Step 3: Cross multiply
    12,793.67x = 19,191.19 × 4,029.27
  4. Step 4: Simplify right side
    12,793.67x = 77,326,486.13
  5. Step 5: Solve for x
    x = 77,326,486.13/12,793.67
  6. Step 6: Final answer
    x = 6,044.12

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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.