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Finding the Fourth Proportional to 36,416.56, 54,624.84 and 20,823.25

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Solution

The fourth proportional to 36,416.56, 54,624.84 and 20,823.25 is: 31,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,416.56 : 54,624.84 = 20,823.25 : x
  2. Step 2: Convert to fraction form
    36,416.56/54,624.84 = 20,823.25/x
  3. Step 3: Cross multiply
    36,416.56x = 54,624.84 × 20,823.25
  4. Step 4: Simplify right side
    36,416.56x = 1,137,466,699.53
  5. Step 5: Solve for x
    x = 1,137,466,699.53/36,416.56
  6. Step 6: Final answer
    x = 31,234.88

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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.