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Finding the Fourth Proportional to 8,998.62, 13,498.01 and 3,450.64

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Solution

The fourth proportional to 8,998.62, 13,498.01 and 3,450.64 is: 5,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.62 : 13,498.01 = 3,450.64 : x
  2. Step 2: Convert to fraction form
    8,998.62/13,498.01 = 3,450.64/x
  3. Step 3: Cross multiply
    8,998.62x = 13,498.01 × 3,450.64
  4. Step 4: Simplify right side
    8,998.62x = 46,576,773.23
  5. Step 5: Solve for x
    x = 46,576,773.23/8,998.62
  6. Step 6: Final answer
    x = 5,175.99

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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.