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Finding the Fourth Proportional to 18,416.79, 27,601.49 and 16,035.12

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Solution

The fourth proportional to 18,416.79, 27,601.49 and 16,035.12 is: 24,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.79 : 27,601.49 = 16,035.12 : x
  2. Step 2: Convert to fraction form
    18,416.79/27,601.49 = 16,035.12/x
  3. Step 3: Cross multiply
    18,416.79x = 27,601.49 × 16,035.12
  4. Step 4: Simplify right side
    18,416.79x = 442,593,325.09
  5. Step 5: Solve for x
    x = 442,593,325.09/18,416.79
  6. Step 6: Final answer
    x = 24,032.06

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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.