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Finding the Fourth Proportional to 12,773.97, 19,141.41 and 5,374.38

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Solution

The fourth proportional to 12,773.97, 19,141.41 and 5,374.38 is: 8,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.97 : 19,141.41 = 5,374.38 : x
  2. Step 2: Convert to fraction form
    12,773.97/19,141.41 = 5,374.38/x
  3. Step 3: Cross multiply
    12,773.97x = 19,141.41 × 5,374.38
  4. Step 4: Simplify right side
    12,773.97x = 102,873,211.08
  5. Step 5: Solve for x
    x = 102,873,211.08/12,773.97
  6. Step 6: Final answer
    x = 8,053.35

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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.