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Finding the Fourth Proportional to 14,041.73, 19,375.39 and 8,072.29

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Solution

The fourth proportional to 14,041.73, 19,375.39 and 8,072.29 is: 11,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.73 : 19,375.39 = 8,072.29 : x
  2. Step 2: Convert to fraction form
    14,041.73/19,375.39 = 8,072.29/x
  3. Step 3: Cross multiply
    14,041.73x = 19,375.39 × 8,072.29
  4. Step 4: Simplify right side
    14,041.73x = 156,403,698.32
  5. Step 5: Solve for x
    x = 156,403,698.32/14,041.73
  6. Step 6: Final answer
    x = 11,138.49

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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.