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Finding the Fourth Proportional to 8,995.91, 13,494.99 and 4,830.20

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Solution

The fourth proportional to 8,995.91, 13,494.99 and 4,830.20 is: 7,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.91 : 13,494.99 = 4,830.20 : x
  2. Step 2: Convert to fraction form
    8,995.91/13,494.99 = 4,830.20/x
  3. Step 3: Cross multiply
    8,995.91x = 13,494.99 × 4,830.20
  4. Step 4: Simplify right side
    8,995.91x = 65,183,433.22
  5. Step 5: Solve for x
    x = 65,183,433.22/8,995.91
  6. Step 6: Final answer
    x = 7,245.90

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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.