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Finding the Fourth Proportional to 27,230.44, 40,816.62 and 15,518.44

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Solution

The fourth proportional to 27,230.44, 40,816.62 and 15,518.44 is: 23,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.44 : 40,816.62 = 15,518.44 : x
  2. Step 2: Convert to fraction form
    27,230.44/40,816.62 = 15,518.44/x
  3. Step 3: Cross multiply
    27,230.44x = 40,816.62 × 15,518.44
  4. Step 4: Simplify right side
    27,230.44x = 633,410,268.47
  5. Step 5: Solve for x
    x = 633,410,268.47/27,230.44
  6. Step 6: Final answer
    x = 23,261.11

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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.