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Finding the Fourth Proportional to 18,695.34, 27,906.21 and 16,480.98

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Solution

The fourth proportional to 18,695.34, 27,906.21 and 16,480.98 is: 24,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.34 : 27,906.21 = 16,480.98 : x
  2. Step 2: Convert to fraction form
    18,695.34/27,906.21 = 16,480.98/x
  3. Step 3: Cross multiply
    18,695.34x = 27,906.21 × 16,480.98
  4. Step 4: Simplify right side
    18,695.34x = 459,921,688.89
  5. Step 5: Solve for x
    x = 459,921,688.89/18,695.34
  6. Step 6: Final answer
    x = 24,600.87

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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.