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Finding the Fourth Proportional to 5,105.98, 7,656.87 and 1,594.80

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Solution

The fourth proportional to 5,105.98, 7,656.87 and 1,594.80 is: 2,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.98 : 7,656.87 = 1,594.80 : x
  2. Step 2: Convert to fraction form
    5,105.98/7,656.87 = 1,594.80/x
  3. Step 3: Cross multiply
    5,105.98x = 7,656.87 × 1,594.80
  4. Step 4: Simplify right side
    5,105.98x = 12,211,176.28
  5. Step 5: Solve for x
    x = 12,211,176.28/5,105.98
  6. Step 6: Final answer
    x = 2,391.54

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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.