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Finding the Fourth Proportional to 8,995.82, 13,449.38 and 7,624.49

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Solution

The fourth proportional to 8,995.82, 13,449.38 and 7,624.49 is: 11,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.82 : 13,449.38 = 7,624.49 : x
  2. Step 2: Convert to fraction form
    8,995.82/13,449.38 = 7,624.49/x
  3. Step 3: Cross multiply
    8,995.82x = 13,449.38 × 7,624.49
  4. Step 4: Simplify right side
    8,995.82x = 102,544,557.95
  5. Step 5: Solve for x
    x = 102,544,557.95/8,995.82
  6. Step 6: Final answer
    x = 11,399.14

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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.