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Finding the Fourth Proportional to 24,126.60, 36,189.90 and 8,331.60

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Solution

The fourth proportional to 24,126.60, 36,189.90 and 8,331.60 is: 12,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,126.60 : 36,189.90 = 8,331.60 : x
  2. Step 2: Convert to fraction form
    24,126.60/36,189.90 = 8,331.60/x
  3. Step 3: Cross multiply
    24,126.60x = 36,189.90 × 8,331.60
  4. Step 4: Simplify right side
    24,126.60x = 301,519,770.84
  5. Step 5: Solve for x
    x = 301,519,770.84/24,126.60
  6. Step 6: Final answer
    x = 12,497.40

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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.