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Finding the Fourth Proportional to 16,475.40, 24,770.70 and 16,129.80

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Solution

The fourth proportional to 16,475.40, 24,770.70 and 16,129.80 is: 24,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.40 : 24,770.70 = 16,129.80 : x
  2. Step 2: Convert to fraction form
    16,475.40/24,770.70 = 16,129.80/x
  3. Step 3: Cross multiply
    16,475.40x = 24,770.70 × 16,129.80
  4. Step 4: Simplify right side
    16,475.40x = 399,546,436.86
  5. Step 5: Solve for x
    x = 399,546,436.86/16,475.40
  6. Step 6: Final answer
    x = 24,251.09

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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.