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Finding the Fourth Proportional to 18,114.60, 27,145.02 and 16,144.68

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Solution

The fourth proportional to 18,114.60, 27,145.02 and 16,144.68 is: 24,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.60 : 27,145.02 = 16,144.68 : x
  2. Step 2: Convert to fraction form
    18,114.60/27,145.02 = 16,144.68/x
  3. Step 3: Cross multiply
    18,114.60x = 27,145.02 × 16,144.68
  4. Step 4: Simplify right side
    18,114.60x = 438,247,661.49
  5. Step 5: Solve for x
    x = 438,247,661.49/18,114.60
  6. Step 6: Final answer
    x = 24,193.06

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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.