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Finding the Fourth Proportional to 7,998.99, 11,033.73 and 5,310.35

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Solution

The fourth proportional to 7,998.99, 11,033.73 and 5,310.35 is: 7,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.99 : 11,033.73 = 5,310.35 : x
  2. Step 2: Convert to fraction form
    7,998.99/11,033.73 = 5,310.35/x
  3. Step 3: Cross multiply
    7,998.99x = 11,033.73 × 5,310.35
  4. Step 4: Simplify right side
    7,998.99x = 58,592,968.11
  5. Step 5: Solve for x
    x = 58,592,968.11/7,998.99
  6. Step 6: Final answer
    x = 7,325.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.