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Finding the Fourth Proportional to 5,000.85, 7,497.14 and 3,151.44

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Solution

The fourth proportional to 5,000.85, 7,497.14 and 3,151.44 is: 4,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.85 : 7,497.14 = 3,151.44 : x
  2. Step 2: Convert to fraction form
    5,000.85/7,497.14 = 3,151.44/x
  3. Step 3: Cross multiply
    5,000.85x = 7,497.14 × 3,151.44
  4. Step 4: Simplify right side
    5,000.85x = 23,626,771.12
  5. Step 5: Solve for x
    x = 23,626,771.12/5,000.85
  6. Step 6: Final answer
    x = 4,724.55

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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.