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Finding the Fourth Proportional to 8,522.01, 12,773.70 and 4,129.65

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Solution

The fourth proportional to 8,522.01, 12,773.70 and 4,129.65 is: 6,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.01 : 12,773.70 = 4,129.65 : x
  2. Step 2: Convert to fraction form
    8,522.01/12,773.70 = 4,129.65/x
  3. Step 3: Cross multiply
    8,522.01x = 12,773.70 × 4,129.65
  4. Step 4: Simplify right side
    8,522.01x = 52,750,910.21
  5. Step 5: Solve for x
    x = 52,750,910.21/8,522.01
  6. Step 6: Final answer
    x = 6,189.96

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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.