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Finding the Fourth Proportional to 20,060.70, 30,054.60 and 16,342.80

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Solution

The fourth proportional to 20,060.70, 30,054.60 and 16,342.80 is: 24,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.70 : 30,054.60 = 16,342.80 : x
  2. Step 2: Convert to fraction form
    20,060.70/30,054.60 = 16,342.80/x
  3. Step 3: Cross multiply
    20,060.70x = 30,054.60 × 16,342.80
  4. Step 4: Simplify right side
    20,060.70x = 491,176,316.88
  5. Step 5: Solve for x
    x = 491,176,316.88/20,060.70
  6. Step 6: Final answer
    x = 24,484.51

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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.