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Finding the Fourth Proportional to 20,601.35, 30,902.03 and 16,373.15

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Solution

The fourth proportional to 20,601.35, 30,902.03 and 16,373.15 is: 24,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.35 : 30,902.03 = 16,373.15 : x
  2. Step 2: Convert to fraction form
    20,601.35/30,902.03 = 16,373.15/x
  3. Step 3: Cross multiply
    20,601.35x = 30,902.03 × 16,373.15
  4. Step 4: Simplify right side
    20,601.35x = 505,963,490.63
  5. Step 5: Solve for x
    x = 505,963,490.63/20,601.35
  6. Step 6: Final answer
    x = 24,559.73

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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.