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Finding the Fourth Proportional to 18,410.94, 27,625.68 and 7,339.32

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Solution

The fourth proportional to 18,410.94, 27,625.68 and 7,339.32 is: 11,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.94 : 27,625.68 = 7,339.32 : x
  2. Step 2: Convert to fraction form
    18,410.94/27,625.68 = 7,339.32/x
  3. Step 3: Cross multiply
    18,410.94x = 27,625.68 × 7,339.32
  4. Step 4: Simplify right side
    18,410.94x = 202,753,705.74
  5. Step 5: Solve for x
    x = 202,753,705.74/18,410.94
  6. Step 6: Final answer
    x = 11,012.68

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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.