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Finding the Fourth Proportional to 14,805.25, 22,207.88 and 3,861.25

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Solution

The fourth proportional to 14,805.25, 22,207.88 and 3,861.25 is: 5,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.25 : 22,207.88 = 3,861.25 : x
  2. Step 2: Convert to fraction form
    14,805.25/22,207.88 = 3,861.25/x
  3. Step 3: Cross multiply
    14,805.25x = 22,207.88 × 3,861.25
  4. Step 4: Simplify right side
    14,805.25x = 85,750,176.65
  5. Step 5: Solve for x
    x = 85,750,176.65/14,805.25
  6. Step 6: Final answer
    x = 5,791.88

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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.