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Finding the Fourth Proportional to 36,416.55, 54,624.84 and 20,823.24

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Solution

The fourth proportional to 36,416.55, 54,624.84 and 20,823.24 is: 31,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,416.55 : 54,624.84 = 20,823.24 : x
  2. Step 2: Convert to fraction form
    36,416.55/54,624.84 = 20,823.24/x
  3. Step 3: Cross multiply
    36,416.55x = 54,624.84 × 20,823.24
  4. Step 4: Simplify right side
    36,416.55x = 1,137,466,153.28
  5. Step 5: Solve for x
    x = 1,137,466,153.28/36,416.55
  6. Step 6: Final answer
    x = 31,234.87

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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.