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Finding the Fourth Proportional to 18,241.95, 27,231.01 and 16,027.61

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Solution

The fourth proportional to 18,241.95, 27,231.01 and 16,027.61 is: 23,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.95 : 27,231.01 = 16,027.61 : x
  2. Step 2: Convert to fraction form
    18,241.95/27,231.01 = 16,027.61/x
  3. Step 3: Cross multiply
    18,241.95x = 27,231.01 × 16,027.61
  4. Step 4: Simplify right side
    18,241.95x = 436,448,008.19
  5. Step 5: Solve for x
    x = 436,448,008.19/18,241.95
  6. Step 6: Final answer
    x = 23,925.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.