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Finding the Fourth Proportional to 18,493.44, 27,730.44 and 15,907.92

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Solution

The fourth proportional to 18,493.44, 27,730.44 and 15,907.92 is: 23,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.44 : 27,730.44 = 15,907.92 : x
  2. Step 2: Convert to fraction form
    18,493.44/27,730.44 = 15,907.92/x
  3. Step 3: Cross multiply
    18,493.44x = 27,730.44 × 15,907.92
  4. Step 4: Simplify right side
    18,493.44x = 441,133,621.08
  5. Step 5: Solve for x
    x = 441,133,621.08/18,493.44
  6. Step 6: Final answer
    x = 23,853.52

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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.